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50838907731 = 349573418661
BaseRepresentation
bin101111010110001111…
…000010101101010011
311212020001101002200120
4233112033002231103
51313104230021411
635204410121323
73446556404613
oct572617025523
9155201332616
1050838907731
111a619268927
129a29a20243
134a427c6231
142663d06a43
1514c8355106
hexbd63c2b53

50838907731 has 8 divisors (see below), whose sum is σ = 67798904784. Its totient is φ = 33885757920.

The previous prime is 50838907729. The next prime is 50838907771. The reversal of 50838907731 is 13770983805.

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

It is not a de Polignac number, because 50838907731 - 21 = 50838907729 is a prime.

It is a super-2 number, since 2×508389077312 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50838907771) 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, 1694460 + ... + 1724201.

It is an arithmetic number, because the mean of its divisors is an integer number (8474863098).

Almost surely, 250838907731 is an apocalyptic number.

50838907731 is a deficient number, since it is larger than the sum of its proper divisors (16959997053).

50838907731 is a wasteful number, since it uses less digits than its factorization.

50838907731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3423621.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The spelling of 50838907731 in words is "fifty billion, eight hundred thirty-eight million, nine hundred seven thousand, seven hundred thirty-one".

Divisors: 1 3 4957 14871 3418661 10255983 16946302577 50838907731