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25042876693831 is a prime number
BaseRepresentation
bin1011011000110101111111…
…10001001111110101000111
310021200002001010122100122101
411230122333301033311013
511240300302413200311
6125132312211012531
75163200554456243
oct554327761176507
9107602033570571
1025042876693831
117a85696033257
12298558889a147
1310c86c13cb049
1462812027b423
152d66518c7ec1
hex16c6bfc4fd47

25042876693831 has 2 divisors, whose sum is σ = 25042876693832. Its totient is φ = 25042876693830.

The previous prime is 25042876693811. The next prime is 25042876693909. The reversal of 25042876693831 is 13839667824052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25042876693831 - 213 = 25042876685639 is a prime.

It is a super-2 number, since 2×250428766938312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25042876693811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12521438346915 + 12521438346916.

It is an arithmetic number, because the mean of its divisors is an integer number (12521438346916).

It is a 1-persistent number, because it is pandigital, but 2⋅25042876693831 = 50085753387662 is not.

Almost surely, 225042876693831 is an apocalyptic number.

25042876693831 is a deficient number, since it is larger than the sum of its proper divisors (1).

25042876693831 is an equidigital number, since it uses as much as digits as its factorization.

25042876693831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104509440, while the sum is 64.

The spelling of 25042876693831 in words is "twenty-five trillion, forty-two billion, eight hundred seventy-six million, six hundred ninety-three thousand, eight hundred thirty-one".