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50508884645 = 510101776929
BaseRepresentation
bin101111000010100100…
…000110101010100101
311211101001101012010022
4233002210012222211
51311420233302040
635111540404525
73435441302312
oct570244065245
9154331335108
1050508884645
111a469a4867a
1299573a6745
1349bc315abb
142632159d09
1514a93b56b5
hexbc2906aa5

50508884645 has 4 divisors (see below), whose sum is σ = 60610661580. Its totient is φ = 40407107712.

The previous prime is 50508884537. The next prime is 50508884659. The reversal of 50508884645 is 54648880505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54648880505 = 510929776101.

It can be written as a sum of positive squares in 2 ways, for example, as 8022605761 + 42486278884 = 89569^2 + 206122^2 .

It is a cyclic number.

It is not a de Polignac number, because 50508884645 - 218 = 50508622501 is a prime.

It is a super-2 number, since 2×505088846452 (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, 5050888460 + ... + 5050888469.

It is an arithmetic number, because the mean of its divisors is an integer number (15152665395).

Almost surely, 250508884645 is an apocalyptic number.

It is an amenable number.

50508884645 is a deficient number, since it is larger than the sum of its proper divisors (10101776935).

50508884645 is a wasteful number, since it uses less digits than its factorization.

50508884645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101776934.

The product of its (nonzero) digits is 6144000, while the sum is 53.

The spelling of 50508884645 in words is "fifty billion, five hundred eight million, eight hundred eighty-four thousand, six hundred forty-five".

Divisors: 1 5 10101776929 50508884645