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26687114093 is a prime number
BaseRepresentation
bin11000110110101011…
…010000101101101101
32112212212111212021002
4120312223100231231
5414123400122333
620132045250045
71633221504233
oct306653205555
975785455232
1026687114093
11103551a88a2
125209563925
132693c20793
141412476953
15a62d7d0e8
hex636ad0b6d

26687114093 has 2 divisors, whose sum is σ = 26687114094. Its totient is φ = 26687114092.

The previous prime is 26687114089. The next prime is 26687114147. The reversal of 26687114093 is 39041178662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14142442084 + 12544672009 = 118922^2 + 112003^2 .

It is a cyclic number.

It is not a de Polignac number, because 26687114093 - 22 = 26687114089 is a prime.

It is a super-2 number, since 2×266871140932 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26687114023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13343557046 + 13343557047.

It is an arithmetic number, because the mean of its divisors is an integer number (13343557047).

Almost surely, 226687114093 is an apocalyptic number.

It is an amenable number.

26687114093 is a deficient number, since it is larger than the sum of its proper divisors (1).

26687114093 is an equidigital number, since it uses as much as digits as its factorization.

26687114093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 26687114093 in words is "twenty-six billion, six hundred eighty-seven million, one hundred fourteen thousand, ninety-three".