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26257838683 is a prime number
BaseRepresentation
bin11000011101000101…
…101101001001011011
32111202221202102002211
4120131011231021123
5412234001314213
620021312335551
71616456642356
oct303505551133
974687672084
1026257838683
111015495792a
1251098445b7
132625ccbc6b
1413b145129d
15a3a33553d
hex61d16d25b

26257838683 has 2 divisors, whose sum is σ = 26257838684. Its totient is φ = 26257838682.

The previous prime is 26257838681. The next prime is 26257838741. The reversal of 26257838683 is 38683875262.

It is an a-pointer prime, because the next prime (26257838741) can be obtained adding 26257838683 to its sum of digits (58).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26257838683 - 21 = 26257838681 is a prime.

Together with 26257838681, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (26257838681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13128919341 + 13128919342.

It is an arithmetic number, because the mean of its divisors is an integer number (13128919342).

Almost surely, 226257838683 is an apocalyptic number.

26257838683 is a deficient number, since it is larger than the sum of its proper divisors (1).

26257838683 is an equidigital number, since it uses as much as digits as its factorization.

26257838683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23224320, while the sum is 58.

The spelling of 26257838683 in words is "twenty-six billion, two hundred fifty-seven million, eight hundred thirty-eight thousand, six hundred eighty-three".