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50031431013 = 353923309277
BaseRepresentation
bin101110100110000110…
…110000110101100101
311210010202222000212110
4232212012300311211
51304431021243023
634552323111233
73420553101234
oct564606606545
9153122860773
1050031431013
111a2444906a3
129843512519
134944426165
1425c8992b1b
15147c502a93
hexba61b0d65

50031431013 has 8 divisors (see below), whose sum is σ = 66710027488. Its totient is φ = 33353560944.

The previous prime is 50031430997. The next prime is 50031431029. The reversal of 50031431013 is 31013413005.

50031431013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (50031430997) and next prime (50031431029).

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

It is not a de Polignac number, because 50031431013 - 24 = 50031430997 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 (50031431083) 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, 7131 + ... + 316407.

It is an arithmetic number, because the mean of its divisors is an integer number (8338753436).

Almost surely, 250031431013 is an apocalyptic number.

It is an amenable number.

50031431013 is a deficient number, since it is larger than the sum of its proper divisors (16678596475).

50031431013 is a wasteful number, since it uses less digits than its factorization.

50031431013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363203.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 50031431013 its reverse (31013413005), we get a palindrome (81044844018).

The spelling of 50031431013 in words is "fifty billion, thirty-one million, four hundred thirty-one thousand, thirteen".

Divisors: 1 3 53923 161769 309277 927831 16677143671 50031431013