Search a number
-
+
57031387008141 = 3721374197402223
BaseRepresentation
bin11001111011110101001111…
…00100000100110010001101
321110221010222102022110101010
430331322213210010302031
524433400240033230031
6321143505115235433
715004244636022600
oct1475724744046215
9243833872273333
1057031387008141
111719896a185187
126491094148b79
1325a9062893870
141012496178337
1568d7b5b13246
hex33dea7904c8d

57031387008141 has 48 divisors (see below), whose sum is σ = 95262738595584. Its totient is φ = 30082009620096.

The previous prime is 57031387008133. The next prime is 57031387008163. The reversal of 57031387008141 is 14180078313075.

It is not a de Polignac number, because 57031387008141 - 23 = 57031387008133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57031387008041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141589356 + ... + 141991578.

It is an arithmetic number, because the mean of its divisors is an integer number (1984640387408).

Almost surely, 257031387008141 is an apocalyptic number.

It is an amenable number.

57031387008141 is a deficient number, since it is larger than the sum of its proper divisors (38231351587443).

57031387008141 is a wasteful number, since it uses less digits than its factorization.

57031387008141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476450 (or 476443 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 57031387008141 in words is "fifty-seven trillion, thirty-one billion, three hundred eighty-seven million, eight thousand, one hundred forty-one".

Divisors: 1 3 7 13 21 39 49 91 147 273 637 1911 74197 222591 402223 519379 964561 1206669 1558137 2815561 2893683 3635653 5228899 6751927 8446683 10906959 15686697 19708927 20255781 36602293 47263489 59126781 109806879 141790467 256216051 768648153 29843739931 89531219793 208906179517 387968619103 626718538551 1163905857309 1462343256619 2715780333721 4387029769857 8147341001163 19010462336047 57031387008141