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50839642813 = 67977822687
BaseRepresentation
bin101111010110010001…
…110110001010111101
311212020002202110000211
4233112101312022331
51313104422032223
635204433552421
73446565555661
oct572621661275
9155202673024
1050839642813
111a619720133
129a2a115711
134a429c29ab
1426640588a1
1514c844cd0d
hexbd64762bd

50839642813 has 8 divisors (see below), whose sum is σ = 52130392832. Its totient is φ = 49564538496.

The previous prime is 50839642807. The next prime is 50839642831. The reversal of 50839642813 is 31824693805.

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 50839642813 - 25 = 50839642781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50839642853) 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, 3904845 + ... + 3917842.

It is an arithmetic number, because the mean of its divisors is an integer number (6516299104).

Almost surely, 250839642813 is an apocalyptic number.

It is an amenable number.

50839642813 is a deficient number, since it is larger than the sum of its proper divisors (1290750019).

50839642813 is an equidigital number, since it uses as much as digits as its factorization.

50839642813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7822851.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 50839642813 in words is "fifty billion, eight hundred thirty-nine million, six hundred forty-two thousand, eight hundred thirteen".

Divisors: 1 67 97 6499 7822687 524120029 758800639 50839642813