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50405926969 = 70437156883
BaseRepresentation
bin101110111100011011…
…010110100000111001
311211002212122101202001
4232330123112200321
51311212404130334
635053421541001
73433051211206
oct567433264071
9154085571661
1050405926969
111a416916a92
129928a14761
1349a3ba7cb8
1426225d8cad
1514a0329714
hexbbc6d6839

50405926969 has 4 divisors (see below), whose sum is σ = 50413090896. Its totient is φ = 50398763044.

The previous prime is 50405926927. The next prime is 50405927003. The reversal of 50405926969 is 96962950405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50405926969 - 27 = 50405926841 is a prime.

It is a super-2 number, since 2×504059269692 (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 (50405920969) 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, 3571399 + ... + 3585484.

It is an arithmetic number, because the mean of its divisors is an integer number (12603272724).

Almost surely, 250405926969 is an apocalyptic number.

It is an amenable number.

50405926969 is a deficient number, since it is larger than the sum of its proper divisors (7163927).

50405926969 is an equidigital number, since it uses as much as digits as its factorization.

50405926969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7163926.

The product of its (nonzero) digits is 5248800, while the sum is 55.

The spelling of 50405926969 in words is "fifty billion, four hundred five million, nine hundred twenty-six thousand, nine hundred sixty-nine".

Divisors: 1 7043 7156883 50405926969