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93923077957 is a prime number
BaseRepresentation
bin101011101111001000…
…0000110111101000101
322222102122211201100221
41113132100012331011
53014323301443312
6111051521304341
76533333663422
oct1273620067505
9288378751327
1093923077957
1136918146685
12162527950b1
138b1a820597
14478dd4ad49
15269a9aa207
hex15de406f45

93923077957 has 2 divisors, whose sum is σ = 93923077958. Its totient is φ = 93923077956.

The previous prime is 93923077943. The next prime is 93923078009. The reversal of 93923077957 is 75977032939.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64052523396 + 29870554561 = 253086^2 + 172831^2 .

It is a cyclic number.

It is not a de Polignac number, because 93923077957 - 227 = 93788860229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 93923077895 and 93923077904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93923017957) 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, 46961538978 + 46961538979.

It is an arithmetic number, because the mean of its divisors is an integer number (46961538979).

Almost surely, 293923077957 is an apocalyptic number.

It is an amenable number.

93923077957 is a deficient number, since it is larger than the sum of its proper divisors (1).

93923077957 is an equidigital number, since it uses as much as digits as its factorization.

93923077957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22504230, while the sum is 61.

The spelling of 93923077957 in words is "ninety-three billion, nine hundred twenty-three million, seventy-seven thousand, nine hundred fifty-seven".