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213131144410300 = 225223438092663803
BaseRepresentation
bin110000011101011101110110…
…001001110011010010111100
31000221122010201220110220021101
4300131131312021303102330
5210413420040432112200
62033143032425542444
762615134305223564
oct6035356611632274
91027563656426241
10213131144410300
1161a0145777a606
121baa22b1044a24
1391c0246c4b87c
143a8b8610d3da4
15199906bc9426a
hexc1d7762734bc

213131144410300 has 144 divisors (see below), whose sum is σ = 494436971508480. Its totient is φ = 79550930511360.

The previous prime is 213131144410259. The next prime is 213131144410309. The reversal of 213131144410300 is 3014441131312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213131144410309) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78678199 + ... + 81342001.

It is an arithmetic number, because the mean of its divisors is an integer number (3433590079920).

Almost surely, 2213131144410300 is an apocalyptic number.

213131144410300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213131144410300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247218485754240).

213131144410300 is an abundant number, since it is smaller than the sum of its proper divisors (281305827098180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213131144410300 is a wasteful number, since it uses less digits than its factorization.

213131144410300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664692 (or 2664685 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 213131144410300 its reverse (3014441131312), we get a palindrome (216145585541612).

The spelling of 213131144410300 in words is "two hundred thirteen trillion, one hundred thirty-one billion, one hundred forty-four million, four hundred ten thousand, three hundred".

Divisors: 1 2 4 5 10 20 23 25 43 46 50 86 92 100 115 172 215 230 430 460 575 809 860 989 1075 1150 1618 1978 2150 2300 3236 3956 4045 4300 4945 8090 9890 16180 18607 19780 20225 24725 34787 37214 40450 49450 69574 74428 80900 93035 98900 139148 173935 186070 347870 372140 465175 695740 800101 869675 930350 1600202 1739350 1860700 2663803 3200404 3478700 4000505 5327606 8001010 10655212 13319015 16002020 20002525 26638030 40005050 53276060 61267469 66595075 80010100 114543529 122534938 133190150 229087058 245069876 266380300 306337345 458174116 572717645 612674690 1145435290 1225349380 1531686725 2155016627 2290870580 2634501167 2863588225 3063373450 4310033254 5269002334 5727176450 6126746900 8620066508 10538004668 10775083135 11454352900 13172505835 21550166270 26345011670 43100332540 49565382421 52690023340 53875415675 65862529175 92665714961 99130764842 107750831350 131725058350 185331429922 198261529684 215501662700 247826912105 263450116700 370662859844 463328574805 495653824210 926657149610 991307648420 1239134560525 1853314299220 2131311444103 2316642874025 2478269121050 4262622888206 4633285748050 4956538242100 8525245776412 9266571496100 10656557220515 21313114441030 42626228882060 53282786102575 106565572205150 213131144410300