Search a number
-
+
57697912054 = 247876026521
BaseRepresentation
bin110101101111000100…
…000100010011110110
312111221001210121202201
4311233010010103312
51421131131141204
642301150255114
74111544106016
oct655704042366
9174831717681
1057697912054
1122518a70342
12b222ab749a
135596833883
142b14c3dc46
15177a5bc9a4
hexd6f1044f6

57697912054 has 8 divisors (see below), whose sum is σ = 86564962008. Its totient is φ = 28842924720.

The previous prime is 57697912021. The next prime is 57697912099. The reversal of 57697912054 is 45021979675.

It is a happy number.

57697912054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×576979120542 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57697911986 and 57697912004.

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, 3003687 + ... + 3022834.

It is an arithmetic number, because the mean of its divisors is an integer number (10820620251).

Almost surely, 257697912054 is an apocalyptic number.

57697912054 is a deficient number, since it is larger than the sum of its proper divisors (28867049954).

57697912054 is a wasteful number, since it uses less digits than its factorization.

57697912054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6031310.

The product of its (nonzero) digits is 4762800, while the sum is 55.

The spelling of 57697912054 in words is "fifty-seven billion, six hundred ninety-seven million, nine hundred twelve thousand, fifty-four".

Divisors: 1 2 4787 9574 6026521 12053042 28848956027 57697912054