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51104140662450 = 23521825318665111
BaseRepresentation
bin10111001111010100111000…
…01001101001011010110010
320200221111201102121110221010
423213222130021221122302
523144242240002144300
6300404530151411350
713523103150251631
oct1347523411513262
9220844642543833
1051104140662450
1115313165138067
1258943a9383b56
13226913b2cc675
14c8964c99d518
155d9508dbda50
hex2e7a9c2696b2

51104140662450 has 48 divisors (see below), whose sum is σ = 126745219054656. Its totient is φ = 13627023508800.

The previous prime is 51104140662431. The next prime is 51104140662577. The reversal of 51104140662450 is 5426604140115.

It is a super-2 number, since 2×511041406624502 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51104140662399 and 51104140662408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6594606 + ... + 12070505.

It is an arithmetic number, because the mean of its divisors is an integer number (2640525396972).

Almost surely, 251104140662450 is an apocalyptic number.

51104140662450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51104140662450 is an abundant number, since it is smaller than the sum of its proper divisors (75641078392206).

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

51104140662450 is a wasteful number, since it uses less digits than its factorization.

51104140662450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18683379 (or 18683374 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 51104140662450 in words is "fifty-one trillion, one hundred four billion, one hundred forty million, six hundred sixty-two thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 18253 36506 54759 91265 109518 182530 273795 456325 547590 912650 1368975 2737950 18665111 37330222 55995333 93325555 111990666 186651110 279976665 466627775 559953330 933255550 1399883325 2799766650 340694271083 681388542166 1022082813249 1703471355415 2044165626498 3406942710830 5110414066245 8517356777075 10220828132490 17034713554150 25552070331225 51104140662450