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26431262051 is a prime number
BaseRepresentation
bin11000100111011011…
…010000110101100011
32112020001002020020112
4120213123100311203
5413112400341201
620050425401535
71623664010015
oct304733206543
975201066215
1026431262051
1110233838427
1251579392ab
132652c0c53c
1413ca4b61b5
15a4a6900bb
hex6276d0d63

26431262051 has 2 divisors, whose sum is σ = 26431262052. Its totient is φ = 26431262050.

The previous prime is 26431262027. The next prime is 26431262101. The reversal of 26431262051 is 15026213462.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26431262051 is a prime.

It is a super-2 number, since 2×264312620512 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26431261999 and 26431262017.

It is not a weakly prime, because it can be changed into another prime (26431262651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13215631025 + 13215631026.

It is an arithmetic number, because the mean of its divisors is an integer number (13215631026).

Almost surely, 226431262051 is an apocalyptic number.

26431262051 is a deficient number, since it is larger than the sum of its proper divisors (1).

26431262051 is an equidigital number, since it uses as much as digits as its factorization.

26431262051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 26431262051 in words is "twenty-six billion, four hundred thirty-one million, two hundred sixty-two thousand, fifty-one".