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103121100300 = 223522367223061
BaseRepresentation
bin110000000001001111…
…1110001111000001100
3100212011200112122222010
41200002133301320030
53142143000202200
6115212335021220
710310302614201
oct1400237617014
9325150478863
10103121100300
113a808199a39
1217b9b06a810
13995531495a
144dc378bca8
152a38250150
hex18027f1e0c

103121100300 has 144 divisors (see below), whose sum is σ = 315984275712. Its totient is φ = 25910649600.

The previous prime is 103121100283. The next prime is 103121100311. The reversal of 103121100300 is 3001121301.

It is a super-2 number, since 2×1031211003002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 350770 + ... + 573830.

It is an arithmetic number, because the mean of its divisors is an integer number (2194335248).

Almost surely, 2103121100300 is an apocalyptic number.

103121100300 is a gapful number since it is divisible by the number (10) 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 103121100300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157992137856).

103121100300 is an abundant number, since it is smaller than the sum of its proper divisors (212863175412).

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

103121100300 is a wasteful number, since it uses less digits than its factorization.

103121100300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223168 (or 223161 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 103121100300 its reverse (3001121301), we get a palindrome (106122221601).

The spelling of 103121100300 in words is "one hundred three billion, one hundred twenty-one million, one hundred thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 25 30 46 50 60 67 69 75 92 100 115 134 138 150 201 230 268 276 300 335 345 402 460 575 670 690 804 1005 1150 1340 1380 1541 1675 1725 2010 2300 3082 3350 3450 4020 4623 5025 6164 6700 6900 7705 9246 10050 15410 18492 20100 23115 30820 38525 46230 77050 92460 115575 154100 223061 231150 446122 462300 669183 892244 1115305 1338366 2230610 2676732 3345915 4461220 5130403 5576525 6691830 10260806 11153050 13383660 14945087 15391209 16729575 20521612 22306100 25652015 29890174 30782418 33459150 44835261 51304030 59780348 61564836 66918300 74725435 76956045 89670522 102608060 128260075 149450870 153912090 179341044 224176305 256520150 298901740 307824180 343737001 373627175 384780225 448352610 513040300 687474002 747254350 769560450 896705220 1031211003 1120881525 1374948004 1494508700 1539120900 1718685005 2062422006 2241763050 3437370010 4124844012 4483526100 5156055015 6874740020 8593425025 10312110030 17186850050 20624220060 25780275075 34373700100 51560550150 103121100300