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57431654643 = 3111740353171
BaseRepresentation
bin110101011111001100…
…011000000011110011
312111020111210100021010
4311133030120003303
51420110000422033
642214515402003
74102132003236
oct653714300363
9174214710233
1057431654643
11223a17431a0
12b1698b3303
13555361b3cc
142acb73141d
151762026863
hexd5f3180f3

57431654643 has 8 divisors (see below), whose sum is σ = 83536952256. Its totient is φ = 34807063400.

The previous prime is 57431654617. The next prime is 57431654663. The reversal of 57431654643 is 34645613475.

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

It is a cyclic number.

It is not a de Polignac number, because 57431654643 - 29 = 57431654131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57431654592 and 57431654601.

It is not an unprimeable number, because it can be changed into a prime (57431654663) 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 7 ways as a sum of consecutive naturals, for example, 870176553 + ... + 870176618.

It is an arithmetic number, because the mean of its divisors is an integer number (10442119032).

Almost surely, 257431654643 is an apocalyptic number.

57431654643 is a deficient number, since it is larger than the sum of its proper divisors (26105297613).

57431654643 is a wasteful number, since it uses less digits than its factorization.

57431654643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740353185.

The product of its digits is 3628800, while the sum is 48.

The spelling of 57431654643 in words is "fifty-seven billion, four hundred thirty-one million, six hundred fifty-four thousand, six hundred forty-three".

Divisors: 1 3 11 33 1740353171 5221059513 19143884881 57431654643