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31164050204 = 2271113001793
BaseRepresentation
bin11101000001100001…
…011010101100011100
32222102212122210001122
4131001201122230130
51002310444101304
622152213430112
72152163025140
oct350141325434
988385583048
1031164050204
11122423261a1
12605893b338
132c285b03c1
141718c9b220
15c25e129be
hex74185ab1c

31164050204 has 12 divisors (see below), whose sum is σ = 62328100464. Its totient is φ = 13356021504.

The previous prime is 31164050201. The next prime is 31164050207. The reversal of 31164050204 is 40205046113.

It is an interprime number because it is at equal distance from previous prime (31164050201) and next prime (31164050207).

31164050204 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31164050201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556500869 + ... + 556500924.

It is an arithmetic number, because the mean of its divisors is an integer number (5194008372).

Almost surely, 231164050204 is an apocalyptic number.

It is an amenable number.

31164050204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31164050204 is a wasteful number, since it uses less digits than its factorization.

31164050204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113001804 (or 1113001802 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 31164050204 its reverse (40205046113), we get a palindrome (71369096317).

The spelling of 31164050204 in words is "thirty-one billion, one hundred sixty-four million, fifty thousand, two hundred four".

Divisors: 1 2 4 7 14 28 1113001793 2226003586 4452007172 7791012551 15582025102 31164050204