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82514757931 is a prime number
BaseRepresentation
bin100110011011001000…
…0110100100100101011
321212222121002000100121
41030312100310210223
52322442234223211
6101523505344111
75650535604244
oct1146620644453
9255877060317
1082514757931
1131aa347aa21
1213baa038037
137a20130668
143dcab4bccb
15222e162271
hex133643492b

82514757931 has 2 divisors, whose sum is σ = 82514757932. Its totient is φ = 82514757930.

The previous prime is 82514757907. The next prime is 82514757971. The reversal of 82514757931 is 13975741528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82514757931 - 213 = 82514749739 is a prime.

It is a super-2 number, since 2×825147579312 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82514757971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41257378965 + 41257378966.

It is an arithmetic number, because the mean of its divisors is an integer number (41257378966).

Almost surely, 282514757931 is an apocalyptic number.

82514757931 is a deficient number, since it is larger than the sum of its proper divisors (1).

82514757931 is an equidigital number, since it uses as much as digits as its factorization.

82514757931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 52.

The spelling of 82514757931 in words is "eighty-two billion, five hundred fourteen million, seven hundred fifty-seven thousand, nine hundred thirty-one".