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1310788455797 is a prime number
BaseRepresentation
bin10011000100110001000…
…101001000110101110101
311122022101002201210101002
4103010301011020311311
5132433443321041142
62442100133413045
7163462363016312
oct23046105106565
94568332653332
101310788455797
114659a1a02767
1219205849a185
13967b72550b2
144762a30dd09
152416b129a32
hex13131148d75

1310788455797 has 2 divisors, whose sum is σ = 1310788455798. Its totient is φ = 1310788455796.

The previous prime is 1310788455749. The next prime is 1310788455817. The reversal of 1310788455797 is 7975548870131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1202353917361 + 108434538436 = 1096519^2 + 329294^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310788455797 - 236 = 1242068979061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310788455727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655394227898 + 655394227899.

It is an arithmetic number, because the mean of its divisors is an integer number (655394227899).

Almost surely, 21310788455797 is an apocalyptic number.

It is an amenable number.

1310788455797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310788455797 is an equidigital number, since it uses as much as digits as its factorization.

1310788455797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59270400, while the sum is 65.

The spelling of 1310788455797 in words is "one trillion, three hundred ten billion, seven hundred eighty-eight million, four hundred fifty-five thousand, seven hundred ninety-seven".