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93279905149 is a prime number
BaseRepresentation
bin101011011011111101…
…0100110010101111101
322220202211121011010211
41112313322212111331
53012014123431044
6110504024032421
76511364053144
oct1266772462575
9286684534124
1093279905149
1136618090402
12160b3302711
138a474b9c62
14472c76675b
15265e2b0634
hex15b7ea657d

93279905149 has 2 divisors, whose sum is σ = 93279905150. Its totient is φ = 93279905148.

The previous prime is 93279905101. The next prime is 93279905171. The reversal of 93279905149 is 94150997239.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50712788025 + 42567117124 = 225195^2 + 206318^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-93279905149 is a prime.

It is a super-2 number, since 2×932799051492 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 93279905093 and 93279905102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93279905189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46639952574 + 46639952575.

It is an arithmetic number, because the mean of its divisors is an integer number (46639952575).

Almost surely, 293279905149 is an apocalyptic number.

It is an amenable number.

93279905149 is a deficient number, since it is larger than the sum of its proper divisors (1).

93279905149 is an equidigital number, since it uses as much as digits as its factorization.

93279905149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5511240, while the sum is 58.

The spelling of 93279905149 in words is "ninety-three billion, two hundred seventy-nine million, nine hundred five thousand, one hundred forty-nine".