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57516112121977 = 97185159182027
BaseRepresentation
bin11010001001111100000110…
…11011101001000001111001
321112122111010202010120000001
431010332003123221001321
530014320444200400402
6322154312004513001
715054254606351365
oct1504760333510171
9245574122116001
1057516112121977
111736549a93a613
12654b0116ab761
13261299124b752
14102bb1a8602a5
1569b1d5734187
hex344f836e9079

57516112121977 has 4 divisors (see below), whose sum is σ = 57516172275856. Its totient is φ = 57516051968100.

The previous prime is 57516112121873. The next prime is 57516112121981. The reversal of 57516112121977 is 77912121161575.

57516112121977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57516112121977 - 27 = 57516112121849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57516112121477) 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 in 3 ways as a sum of consecutive naturals, for example, 28619163 + ... + 30562864.

It is an arithmetic number, because the mean of its divisors is an integer number (14379043068964).

Almost surely, 257516112121977 is an apocalyptic number.

It is an amenable number.

57516112121977 is a deficient number, since it is larger than the sum of its proper divisors (60153879).

57516112121977 is an equidigital number, since it uses as much as digits as its factorization.

57516112121977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60153878.

The product of its digits is 1852200, while the sum is 55.

The spelling of 57516112121977 in words is "fifty-seven trillion, five hundred sixteen billion, one hundred twelve million, one hundred twenty-one thousand, nine hundred seventy-seven".

Divisors: 1 971851 59182027 57516112121977