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26381582457107 is a prime number
BaseRepresentation
bin1011111111110011100001…
…10110011101100100010011
310110102001110211201022100112
411333321300312131210103
511424213440102111412
6132035310501311535
75362002130633553
oct577716066354423
9113361424638315
1026381582457107
118451403592259
122b60b167055ab
131194a073aa097
14672c38173163
1530b3a3882722
hex17fe70d9d913

26381582457107 has 2 divisors, whose sum is σ = 26381582457108. Its totient is φ = 26381582457106.

The previous prime is 26381582457077. The next prime is 26381582457151. The reversal of 26381582457107 is 70175428518362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26381582457107 - 224 = 26381565679891 is a prime.

It is a super-2 number, since 2×263815824571072 (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26381582357107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13190791228553 + 13190791228554.

It is an arithmetic number, because the mean of its divisors is an integer number (13190791228554).

Almost surely, 226381582457107 is an apocalyptic number.

26381582457107 is a deficient number, since it is larger than the sum of its proper divisors (1).

26381582457107 is an equidigital number, since it uses as much as digits as its factorization.

26381582457107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22579200, while the sum is 59.

The spelling of 26381582457107 in words is "twenty-six trillion, three hundred eighty-one billion, five hundred eighty-two million, four hundred fifty-seven thousand, one hundred seven".