Search a number
-
+
57242684439 = 3236717330513
BaseRepresentation
bin110101010011111011…
…100000110000010111
312110202100012122212200
4311103323200300113
51414213111400224
642144045215543
74064345534553
oct652373406027
9173670178780
1057242684439
1122305004076
12b1165615b3
135523426615
142ab05c0863
15175064a5c9
hexd53ee0c17

57242684439 has 12 divisors (see below), whose sum is σ = 82909178976. Its totient is φ = 38057804352.

The previous prime is 57242684383. The next prime is 57242684449. The reversal of 57242684439 is 93448624275.

It is a happy number.

57242684439 is a `hidden beast` number, since 572 + 4 + 2 + 68 + 4 + 4 + 3 + 9 = 666.

It is not a de Polignac number, because 57242684439 - 28 = 57242684183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57242684449) 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 11 ways as a sum of consecutive naturals, for example, 8661954 + ... + 8668559.

It is an arithmetic number, because the mean of its divisors is an integer number (6909098248).

Almost surely, 257242684439 is an apocalyptic number.

57242684439 is a deficient number, since it is larger than the sum of its proper divisors (25666494537).

57242684439 is a wasteful number, since it uses less digits than its factorization.

57242684439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17330886 (or 17330883 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The spelling of 57242684439 in words is "fifty-seven billion, two hundred forty-two million, six hundred eighty-four thousand, four hundred thirty-nine".

Divisors: 1 3 9 367 1101 3303 17330513 51991539 155974617 6360298271 19080894813 57242684439