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51363255165426 = 23213920528878963
BaseRepresentation
bin10111010110110111100001…
…00101000010000111110010
320201212021112120021001121200
423223123300211002013302
523213013421310243201
6301123541554432030
713550605226220441
oct1353336045020762
9221767476231550
1051363255165426
111540304155a2a6
125916662292616
1322876c378c689
14c97dcdab0d58
155e1121e81386
hex2eb6f09421f2

51363255165426 has 24 divisors (see below), whose sum is σ = 112087679143440. Its totient is φ = 16997911780536.

The previous prime is 51363255165407. The next prime is 51363255165437. The reversal of 51363255165426 is 62456155236315.

51363255165426 is a `hidden beast` number, since 5 + 1 + 3 + 6 + 3 + 2 + 55 + 165 + 426 = 666.

51363255165426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×513632551654262 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10264436980 + ... + 10264441983.

It is an arithmetic number, because the mean of its divisors is an integer number (4670319964310).

Almost surely, 251363255165426 is an apocalyptic number.

51363255165426 is an abundant number, since it is smaller than the sum of its proper divisors (60724423978014).

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

51363255165426 is a wasteful number, since it uses less digits than its factorization.

51363255165426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20528879110 (or 20528879107 counting only the distinct ones).

The product of its digits is 19440000, while the sum is 54.

The spelling of 51363255165426 in words is "fifty-one trillion, three hundred sixty-three billion, two hundred fifty-five million, one hundred sixty-five thousand, four hundred twenty-six".

Divisors: 1 2 3 6 9 18 139 278 417 834 1251 2502 20528878963 41057757926 61586636889 123173273778 184759910667 369519821334 2853514175857 5707028351714 8560542527571 17121085055142 25681627582713 51363255165426