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212031032132100 = 2235210944314636861
BaseRepresentation
bin110000001101011101010010…
…010110100000001000000100
31000210201222011012010210210210
4300031131102112200020010
5210242404023211211400
62030541413401515420
762442510431155416
oct6015352226401004
91023658135123723
10212031032132100
1161617946001315
121b94504b7a2b70
139140595b212bc
143a504dcb609b6
15197a631515950
hexc0d7525a0204

212031032132100 has 144 divisors (see below), whose sum is σ = 620502247189440. Its totient is φ = 55896411916800.

The previous prime is 212031032132089. The next prime is 212031032132119. The reversal of 212031032132100 is 1231230130212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7167670 + ... + 21804530.

It is an arithmetic number, because the mean of its divisors is an integer number (4309043383260).

Almost surely, 2212031032132100 is an apocalyptic number.

212031032132100 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 212031032132100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310251123594720).

212031032132100 is an abundant number, since it is smaller than the sum of its proper divisors (408471215057340).

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

212031032132100 is a wasteful number, since it uses less digits than its factorization.

212031032132100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14637430 (or 14637423 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 212031032132100 its reverse (1231230130212), we get a palindrome (213262262262312).

The spelling of 212031032132100 in words is "two hundred twelve trillion, thirty-one billion, thirty-two million, one hundred thirty-two thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 109 150 218 300 327 436 443 545 654 886 1090 1308 1329 1635 1772 2180 2215 2658 2725 3270 4430 5316 5450 6540 6645 8175 8860 10900 11075 13290 16350 22150 26580 32700 33225 44300 48287 66450 96574 132900 144861 193148 241435 289722 482870 579444 724305 965740 1207175 1448610 2414350 2897220 3621525 4828700 7243050 14486100 14636861 29273722 43910583 58547444 73184305 87821166 146368610 175642332 219552915 292737220 365921525 439105830 731843050 878211660 1097764575 1463686100 1595417849 2195529150 3190835698 4391058300 4786253547 6381671396 6484129423 7977089245 9572507094 12968258846 15954178490 19145014188 19452388269 23931267735 25936517692 31908356980 32420647115 38904776538 39885446225 47862535470 64841294230 77809553076 79770892450 95725070940 97261941345 119656338675 129682588460 159541784900 162103235575 194523882690 239312677350 324206471150 389047765380 478625354700 486309706725 648412942300 706770107107 972619413450 1413540214214 1945238826900 2120310321321 2827080428428 3533850535535 4240620642642 7067701071070 8481241285284 10601551606605 14135402142140 17669252677675 21203103213210 35338505355350 42406206426420 53007758033025 70677010710700 106015516066050 212031032132100