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50508616655 = 5721910850401
BaseRepresentation
bin101111000010100011…
…000101001111001111
311211101000212120111202
4233002203011033033
51311420201213110
635111530540115
73435436105100
oct570243051717
9154330776452
1050508616655
111a4698852a2
12995729763b
1349bc250b23
1426320ca3a7
1514a93610a5
hexbc28c53cf

50508616655 has 24 divisors (see below), whose sum is σ = 74216749680. Its totient is φ = 32811609600.

The previous prime is 50508616633. The next prime is 50508616667. The reversal of 50508616655 is 55661680505.

It is a de Polignac number, because none of the positive numbers 2k-50508616655 is a prime.

It is a super-2 number, since 2×505086166552 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 5420546 + ... + 5429855.

It is an arithmetic number, because the mean of its divisors is an integer number (3092364570).

Almost surely, 250508616655 is an apocalyptic number.

50508616655 is a deficient number, since it is larger than the sum of its proper divisors (23708133025).

50508616655 is a wasteful number, since it uses less digits than its factorization.

50508616655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10850439 (or 10850432 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 47.

The spelling of 50508616655 in words is "fifty billion, five hundred eight million, six hundred sixteen thousand, six hundred fifty-five".

Divisors: 1 5 7 19 35 49 95 133 245 665 931 4655 10850401 54252005 75952807 206157619 379764035 531669649 1030788095 1443103333 2658348245 7215516665 10101723331 50508616655