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51265374211 = 83985371633
BaseRepresentation
bin101111101111101001…
…111000100000000011
311220022202211211201101
4233233221320200003
51314442413433321
635315002515231
73463255330252
oct575751704003
9156282754641
1051265374211
111a817a70467
129b28805b17
134aacc7336c
1426a47da799
1515009e5791
hexbefa78803

51265374211 has 8 divisors (see below), whose sum is σ = 51387366240. Its totient is φ = 51143528832.

The previous prime is 51265374197. The next prime is 51265374241. The reversal of 51265374211 is 11247356215.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51265374211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51265374241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679851 + ... + 751483.

It is an arithmetic number, because the mean of its divisors is an integer number (6423420780).

Almost surely, 251265374211 is an apocalyptic number.

51265374211 is a deficient number, since it is larger than the sum of its proper divisors (121992029).

51265374211 is an equidigital number, since it uses as much as digits as its factorization.

51265374211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73325.

The product of its digits is 50400, while the sum is 37.

The spelling of 51265374211 in words is "fifty-one billion, two hundred sixty-five million, three hundred seventy-four thousand, two hundred eleven".

Divisors: 1 839 853 71633 715667 60100087 61102949 51265374211