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20125410452112 = 2437223372031397
BaseRepresentation
bin1001001001101110011111…
…11100001110001010010000
32122020222012110100120011110
410210313033330032022100
510114213320033431422
6110445252543213320
74145004301205100
oct444671774161220
978228173316143
1020125410452112
11645a158593989
1223105332a7240
13b2ca8338a854
144d8109d8b200
1524d794d1d60c
hex124dcff0e290

20125410452112 has 120 divisors (see below), whose sum is σ = 63108430105536. Its totient is φ = 5500112158464.

The previous prime is 20125410452107. The next prime is 20125410452117. The reversal of 20125410452112 is 21125401452102.

It is an interprime number because it is at equal distance from previous prime (20125410452107) and next prime (20125410452117).

It is a self number, because there is not a number n which added to its sum of digits gives 20125410452112.

It is not an unprimeable number, because it can be changed into a prime (20125410452117) 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, 185961603 + ... + 186069794.

Almost surely, 220125410452112 is an apocalyptic number.

It is an amenable number.

20125410452112 is an abundant number, since it is smaller than the sum of its proper divisors (42983019653424).

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

20125410452112 is a wasteful number, since it uses less digits than its factorization.

20125410452112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372031445 (or 372031432 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The spelling of 20125410452112 in words is "twenty trillion, one hundred twenty-five billion, four hundred ten million, four hundred fifty-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 23 24 28 42 46 48 49 56 69 84 92 98 112 138 147 161 168 184 196 276 294 322 336 368 392 483 552 588 644 784 966 1104 1127 1176 1288 1932 2254 2352 2576 3381 3864 4508 6762 7728 9016 13524 18032 27048 54096 372031397 744062794 1116094191 1488125588 2232188382 2604219779 2976251176 4464376764 5208439558 5952502352 7812659337 8556722131 8928753528 10416879116 15625318674 17113444262 17857507056 18229538453 20833758232 25670166393 31250637348 34226888524 36459076906 41667516464 51340332786 54688615359 59897054917 62501274696 68453777048 72918153812 102680665572 109377230718 119794109834 125002549392 136907554096 145836307624 179691164751 205361331144 218754461436 239588219668 291672615248 359382329502 410722662288 419279384419 437508922872 479176439336 718764659004 838558768838 875017845744 958352878672 1257838153257 1437529318008 1677117537676 2515676306514 2875058636016 3354235075352 5031352613028 6708470150704 10062705226056 20125410452112