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50639373137 = 471517135321
BaseRepresentation
bin101111001010010101…
…111000001101010001
311211201010220200200102
4233022111320031101
51312202134420022
635132521302145
73441614366243
oct571225701521
9154633820612
1050639373137
111a526673601
129993034955
134a10372a22
142645606093
1514b5a8da92
hexbca578351

50639373137 has 8 divisors (see below), whose sum is σ = 52059309312. Its totient is φ = 49233708000.

The previous prime is 50639373133. The next prime is 50639373179. The reversal of 50639373137 is 73137393605.

50639373137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 50639373137 - 22 = 50639373133 is a prime.

It is a super-2 number, since 2×506393731372 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50639373091 and 50639373100.

It is not an unprimeable number, because it can be changed into a prime (50639373131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3560564 + ... + 3574757.

It is an arithmetic number, because the mean of its divisors is an integer number (6507413664).

Almost surely, 250639373137 is an apocalyptic number.

It is an amenable number.

50639373137 is a deficient number, since it is larger than the sum of its proper divisors (1419936175).

50639373137 is a wasteful number, since it uses less digits than its factorization.

50639373137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7135519.

The product of its (nonzero) digits is 1071630, while the sum is 47.

The spelling of 50639373137 in words is "fifty billion, six hundred thirty-nine million, three hundred seventy-three thousand, one hundred thirty-seven".

Divisors: 1 47 151 7097 7135321 335360087 1077433471 50639373137