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51112315054 = 264123398549
BaseRepresentation
bin101111100110100010…
…000000100010101110
311212221002211122000201
4233212202000202232
51314134223040204
635251454144114
73456416336533
oct574642004256
9155832748021
1051112315054
111a749629899
129aa54b203a
134a87342c08
14268c356d8a
1514e235e9a4
hexbe68808ae

51112315054 has 8 divisors (see below), whose sum is σ = 76669860600. Its totient is φ = 25555694856.

The previous prime is 51112315049. The next prime is 51112315069. The reversal of 51112315054 is 45051321115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×511123150542 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71029 + ... + 327520.

It is an arithmetic number, because the mean of its divisors is an integer number (9583732575).

Almost surely, 251112315054 is an apocalyptic number.

51112315054 is a deficient number, since it is larger than the sum of its proper divisors (25557545546).

51112315054 is a wasteful number, since it uses less digits than its factorization.

51112315054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462674.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 51112315054 its reverse (45051321115), we get a palindrome (96163636169).

The spelling of 51112315054 in words is "fifty-one billion, one hundred twelve million, three hundred fifteen thousand, fifty-four".

Divisors: 1 2 64123 128246 398549 797098 25556157527 51112315054