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32712091957 is a prime number
BaseRepresentation
bin11110011101110010…
…101110100100110101
310010102202120110010101
4132131302232210311
51013443243420312
623005553354101
72235431123326
oct363562564465
9103382513111
1032712091957
1112967139946
12640b268931
13311422363c
14182470844d
15cb6c9ba57
hex79dcae935

32712091957 has 2 divisors, whose sum is σ = 32712091958. Its totient is φ = 32712091956.

The previous prime is 32712091903. The next prime is 32712091961. The reversal of 32712091957 is 75919021723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16704528516 + 16007563441 = 129246^2 + 126521^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-32712091957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32712091967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16356045978 + 16356045979.

It is an arithmetic number, because the mean of its divisors is an integer number (16356045979).

Almost surely, 232712091957 is an apocalyptic number.

It is an amenable number.

32712091957 is a deficient number, since it is larger than the sum of its proper divisors (1).

32712091957 is an equidigital number, since it uses as much as digits as its factorization.

32712091957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238140, while the sum is 46.

The spelling of 32712091957 in words is "thirty-two billion, seven hundred twelve million, ninety-one thousand, nine hundred fifty-seven".