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102131234310100 = 225217180623332611
BaseRepresentation
bin10111001110001101000111…
…111100010000011111010100
3111101121122120022200002000111
4113032031013330100133110
5101341304231440410400
61001114235154252404
730340511123652352
oct2716150774203724
9441548508602014
10102131234310100
112a5a6682237586
12b555873887104
1344cac1b1ca038
141b3126ca6c7d2
15bc1a03b773ba
hex5ce347f107d4

102131234310100 has 72 divisors (see below), whose sum is σ = 234663534822528. Its totient is φ = 38449077388800.

The previous prime is 102131234310073. The next prime is 102131234310103. The reversal of 102131234310100 is 1013432131201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102131234310103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306892795 + ... + 307225405.

It is an arithmetic number, because the mean of its divisors is an integer number (3259215761424).

Almost surely, 2102131234310100 is an apocalyptic number.

102131234310100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102131234310100 is an abundant number, since it is smaller than the sum of its proper divisors (132532300512428).

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

102131234310100 is a wasteful number, since it uses less digits than its factorization.

102131234310100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513265 (or 513258 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 102131234310100 its reverse (1013432131201), we get a palindrome (103144666441301).

The spelling of 102131234310100 in words is "one hundred two trillion, one hundred thirty-one billion, two hundred thirty-four million, three hundred ten thousand, one hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 340 425 850 1700 180623 332611 361246 665222 722492 903115 1330444 1663055 1806230 3070591 3326110 3612460 4515575 5654387 6141182 6652220 8315275 9031150 11308774 12282364 15352955 16630550 18062300 22617548 28271935 30705910 33261100 56543870 61411820 76764775 113087740 141359675 153529550 282719350 307059100 565438700 60077196653 120154393306 240308786612 300385983265 600771966530 1021312343101 1201543933060 1501929916325 2042624686202 3003859832650 4085249372404 5106561715505 6007719665300 10213123431010 20426246862020 25532808577525 51065617155050 102131234310100