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93311390261 is a prime number
BaseRepresentation
bin101011011100111001…
…0101101001000110101
322220212000211202121002
41112321302231020311
53012100203442021
6110511110533045
76512225505365
oct1267162551065
9286760752532
1093311390261
1136633935661
1216101967185
138a50b91bbb
144732a009a5
152661e2e50b
hex15b9cad235

93311390261 has 2 divisors, whose sum is σ = 93311390262. Its totient is φ = 93311390260.

The previous prime is 93311390201. The next prime is 93311390267. The reversal of 93311390261 is 16209311339.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87456232900 + 5855157361 = 295730^2 + 76519^2 .

It is a cyclic number.

It is not a de Polignac number, because 93311390261 - 218 = 93311128117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93311390267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46655695130 + 46655695131.

It is an arithmetic number, because the mean of its divisors is an integer number (46655695131).

Almost surely, 293311390261 is an apocalyptic number.

It is an amenable number.

93311390261 is a deficient number, since it is larger than the sum of its proper divisors (1).

93311390261 is an equidigital number, since it uses as much as digits as its factorization.

93311390261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 38.

The spelling of 93311390261 in words is "ninety-three billion, three hundred eleven million, three hundred ninety thousand, two hundred sixty-one".