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50812996819 = 1313728530599
BaseRepresentation
bin101111010100101100…
…001100110011010011
311212011020121200121011
4233110230030303103
51313031111344234
635202042511351
73446123226604
oct572454146323
9155136550534
1050812996819
111a605680652
129a21205557
134a3a323530
1426606bddab
1514c5e37b64
hexbd4b0ccd3

50812996819 has 8 divisors (see below), whose sum is σ = 55121119200. Its totient is φ = 46561935936.

The previous prime is 50812996811. The next prime is 50812996877. The reversal of 50812996819 is 91869921805.

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

It is a cyclic number.

It is not a de Polignac number, because 50812996819 - 23 = 50812996811 is a prime.

It is a super-2 number, since 2×508129968192 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50812996811) 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, 14263519 + ... + 14267080.

It is an arithmetic number, because the mean of its divisors is an integer number (6890139900).

Almost surely, 250812996819 is an apocalyptic number.

50812996819 is a deficient number, since it is larger than the sum of its proper divisors (4308122381).

50812996819 is a wasteful number, since it uses less digits than its factorization.

50812996819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28530749.

The product of its (nonzero) digits is 2799360, while the sum is 58.

The spelling of 50812996819 in words is "fifty billion, eight hundred twelve million, nine hundred ninety-six thousand, eight hundred nineteen".

Divisors: 1 13 137 1781 28530599 370897787 3908692063 50812996819