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57146142844 = 2272040933673
BaseRepresentation
bin110101001110001011…
…001111000001111100
312110111121112211201001
4311032023033001330
51414013403032334
642130320100044
74062064125310
oct651613170174
9173447484631
1057146142844
1122265564a2a
12b0aa164624
13550942400b
142aa184db40
151746e2a714
hexd4e2cf07c

57146142844 has 12 divisors (see below), whose sum is σ = 114292285744. Its totient is φ = 24491204064.

The previous prime is 57146142841. The next prime is 57146142857. The reversal of 57146142844 is 44824164175.

57146142844 is an admirable number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 57146142794 and 57146142803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57146142841) 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 3 ways as a sum of consecutive naturals, for example, 1020466809 + ... + 1020466864.

Almost surely, 257146142844 is an apocalyptic number.

It is an amenable number.

57146142844 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57146142844 is a wasteful number, since it uses less digits than its factorization.

57146142844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040933684 (or 2040933682 counting only the distinct ones).

The product of its digits is 860160, while the sum is 46.

The spelling of 57146142844 in words is "fifty-seven billion, one hundred forty-six million, one hundred forty-two thousand, eight hundred forty-four".

Divisors: 1 2 4 7 14 28 2040933673 4081867346 8163734692 14286535711 28573071422 57146142844