Search a number
-
+
57581313163 = 1153831189967
BaseRepresentation
bin110101101000000111…
…010001110010001011
312111121221101210011021
4311220013101302023
51420411304010123
642241423213311
74105630041403
oct655007216213
9174557353137
1057581313163
1122469171920
12b1aba47237
13557862aa4a
142b0356b803
151770239c5d
hexd681d1c8b

57581313163 has 16 divisors (see below), whose sum is σ = 64772338176. Its totient is φ = 50740150240.

The previous prime is 57581313143. The next prime is 57581313169. The reversal of 57581313163 is 36131318575.

It is a cyclic number.

It is not a de Polignac number, because 57581313163 - 25 = 57581313131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57581313169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546595 + ... + 643372.

It is an arithmetic number, because the mean of its divisors is an integer number (4048271136).

Almost surely, 257581313163 is an apocalyptic number.

57581313163 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

57581313163 is a deficient number, since it is larger than the sum of its proper divisors (7191025013).

57581313163 is a wasteful number, since it uses less digits than its factorization.

57581313163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190114.

The product of its digits is 226800, while the sum is 43.

The spelling of 57581313163 in words is "fifty-seven billion, five hundred eighty-one million, three hundred thirteen thousand, one hundred sixty-three".

Divisors: 1 11 53 83 583 913 4399 48389 1189967 13089637 63068251 98767261 693750761 1086439871 5234664833 57581313163