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51348884315 = 510269776863
BaseRepresentation
bin101111110100101000…
…011100101101011011
311220112120222121001012
4233310220130231123
51320130303244230
635331144444135
73465321213041
oct576450345533
9156476877035
1051348884315
111a860119883
129b5077964b
134ac4362321
1426b1938391
151507ede395
hexbf4a1cb5b

51348884315 has 4 divisors (see below), whose sum is σ = 61618661184. Its totient is φ = 41079107448.

The previous prime is 51348884309. The next prime is 51348884317.

51348884315 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51348884315 - 234 = 34169015131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51348884317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5134888427 + ... + 5134888436.

It is an arithmetic number, because the mean of its divisors is an integer number (15404665296).

Almost surely, 251348884315 is an apocalyptic number.

51348884315 is a deficient number, since it is larger than the sum of its proper divisors (10269776869).

51348884315 is a wasteful number, since it uses less digits than its factorization.

51348884315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10269776868.

The product of its digits is 1843200, while the sum is 50.

The spelling of 51348884315 in words is "fifty-one billion, three hundred forty-eight million, eight hundred eighty-four thousand, three hundred fifteen".

Divisors: 1 5 10269776863 51348884315