Search a number
-
+
57143643053 = 7271103159469
BaseRepresentation
bin110101001110000001…
…101100101110101101
312110111102211211122012
4311032001230232231
51414012233034203
642130150331005
74062033644300
oct651601545655
9173442754565
1057143643053
1122264107892
12b0a9359a65
135508a5a253
142aa139cb37
151746ad4bd8
hexd4e06cbad

57143643053 has 24 divisors (see below), whose sum is σ = 68064347520. Its totient is φ = 47821263840.

The previous prime is 57143643049. The next prime is 57143643061. The reversal of 57143643053 is 35034634175.

It is not a de Polignac number, because 57143643053 - 22 = 57143643049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57143643053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57143643043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 278603 + ... + 438071.

It is an arithmetic number, because the mean of its divisors is an integer number (2836014480).

Almost surely, 257143643053 is an apocalyptic number.

It is an amenable number.

57143643053 is a deficient number, since it is larger than the sum of its proper divisors (10920704467).

57143643053 is a wasteful number, since it uses less digits than its factorization.

57143643053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159657 (or 159650 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 41.

The spelling of 57143643053 in words is "fifty-seven billion, one hundred forty-three million, six hundred forty-three thousand, fifty-three".

Divisors: 1 7 49 71 103 497 721 3479 5047 7313 51191 159469 358337 1116283 7813981 11322299 16425307 79256093 114977149 554792651 804840043 1166196797 8163377579 57143643053