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25083030779 is a prime number
BaseRepresentation
bin10111010111000100…
…001010110011111011
32101202002010222121222
4113113010022303323
5402332223441104
615304544222255
71545403146422
oct272704126373
971662128558
1025083030779
11a701798304
124a4030a98b
1324997b8261
1412dd3dc2b9
159bc1241be
hex5d710acfb

25083030779 has 2 divisors, whose sum is σ = 25083030780. Its totient is φ = 25083030778.

The previous prime is 25083030769. The next prime is 25083030781. The reversal of 25083030779 is 97703038052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25083030779 is a prime.

It is a super-2 number, since 2×250830307792 (a number of 22 digits) contains 22 as substring.

Together with 25083030781, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25083030769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12541515389 + 12541515390.

It is an arithmetic number, because the mean of its divisors is an integer number (12541515390).

Almost surely, 225083030779 is an apocalyptic number.

25083030779 is a deficient number, since it is larger than the sum of its proper divisors (1).

25083030779 is an equidigital number, since it uses as much as digits as its factorization.

25083030779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 25083030779 in words is "twenty-five billion, eighty-three million, thirty thousand, seven hundred seventy-nine".