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93197214868421 is a prime number
BaseRepresentation
bin10101001100001100101010…
…111000101110001111000101
3110012222120022010220220010102
4111030030222320232033011
544203420344001242141
6530114113124133445
725426163602454636
oct2514145270561705
9405876263826112
1093197214868421
11277717981684a4
12a5522b2837285
1340005c8b17041
141902aaac2788d
15ab9417c9599b
hex54c32ae2e3c5

93197214868421 has 2 divisors, whose sum is σ = 93197214868422. Its totient is φ = 93197214868420.

The previous prime is 93197214868403. The next prime is 93197214868451. The reversal of 93197214868421 is 12486841279139.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63309552292900 + 29887662575521 = 7956730^2 + 5466961^2 .

It is a cyclic number.

It is not a de Polignac number, because 93197214868421 - 214 = 93197214852037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93197214868451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46598607434210 + 46598607434211.

It is an arithmetic number, because the mean of its divisors is an integer number (46598607434211).

Almost surely, 293197214868421 is an apocalyptic number.

It is an amenable number.

93197214868421 is a deficient number, since it is larger than the sum of its proper divisors (1).

93197214868421 is an equidigital number, since it uses as much as digits as its factorization.

93197214868421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41803776, while the sum is 65.

The spelling of 93197214868421 in words is "ninety-three trillion, one hundred ninety-seven billion, two hundred fourteen million, eight hundred sixty-eight thousand, four hundred twenty-one".