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57516112121173 is a prime number
BaseRepresentation
bin11010001001111100000110…
…11011101000110101010101
321112122111010202010111220021
431010332003123220311111
530014320444200334143
6322154312004505141
715054254606346136
oct1504760333506525
9245574122114807
1057516112121173
111736549a939a52
12654b0116ab1b1
13261299124b284
14102bb1a85dc8d
1569b1d5733ced
hex344f836e8d55

57516112121173 has 2 divisors, whose sum is σ = 57516112121174. Its totient is φ = 57516112121172.

The previous prime is 57516112121101. The next prime is 57516112121179. The reversal of 57516112121173 is 37112121161575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52683470522244 + 4832641598929 = 7258338^2 + 2198327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57516112121173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57516112121179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28758056060586 + 28758056060587.

It is an arithmetic number, because the mean of its divisors is an integer number (28758056060587).

Almost surely, 257516112121173 is an apocalyptic number.

It is an amenable number.

57516112121173 is a deficient number, since it is larger than the sum of its proper divisors (1).

57516112121173 is an equidigital number, since it uses as much as digits as its factorization.

57516112121173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88200, while the sum is 43.

The spelling of 57516112121173 in words is "fifty-seven trillion, five hundred sixteen billion, one hundred twelve million, one hundred twenty-one thousand, one hundred seventy-three".