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57516112121180 = 2252875805606059
BaseRepresentation
bin11010001001111100000110…
…11011101000110101011100
321112122111010202010111220112
431010332003123220311130
530014320444200334210
6322154312004505152
715054254606346146
oct1504760333506534
9245574122114815
1057516112121180
111736549a939a59
12654b0116ab1b8
13261299124b28b
14102bb1a85dc96
1569b1d5733d05
hex344f836e8d5c

57516112121180 has 12 divisors (see below), whose sum is σ = 120783835454520. Its totient is φ = 23006444848464.

The previous prime is 57516112121179. The next prime is 57516112121197. The reversal of 57516112121180 is 8112121161575.

It is a super-2 number, since 2×575161121211802 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1437902803010 + ... + 1437902803049.

It is an arithmetic number, because the mean of its divisors is an integer number (10065319621210).

Almost surely, 257516112121180 is an apocalyptic number.

It is an amenable number.

57516112121180 is an abundant number, since it is smaller than the sum of its proper divisors (63267723333340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57516112121180 is a wasteful number, since it uses less digits than its factorization.

57516112121180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875805606068 (or 2875805606066 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 41.

The spelling of 57516112121180 in words is "fifty-seven trillion, five hundred sixteen billion, one hundred twelve million, one hundred twenty-one thousand, one hundred eighty".