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26687114147 is a prime number
BaseRepresentation
bin11000110110101011…
…010000101110100011
32112212212111212100002
4120312223100232203
5414123400123042
620132045250215
71633221504341
oct306653205643
975785455302
1026687114147
11103551a8941
12520956396b
132693c20805
141412476991
15a62d7d132
hex636ad0ba3

26687114147 has 2 divisors, whose sum is σ = 26687114148. Its totient is φ = 26687114146.

The previous prime is 26687114093. The next prime is 26687114161. The reversal of 26687114147 is 74141178662.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26687114147 is a prime.

It is a super-2 number, since 2×266871141472 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26687114177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13343557073 + 13343557074.

It is an arithmetic number, because the mean of its divisors is an integer number (13343557074).

Almost surely, 226687114147 is an apocalyptic number.

26687114147 is a deficient number, since it is larger than the sum of its proper divisors (1).

26687114147 is an equidigital number, since it uses as much as digits as its factorization.

26687114147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 47.

The spelling of 26687114147 in words is "twenty-six billion, six hundred eighty-seven million, one hundred fourteen thousand, one hundred forty-seven".