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57012827754 = 2323715818823
BaseRepresentation
bin110101000110001110…
…101011011001101010
312110011022200201210010
4311012032223121222
51413230240442004
642105154432350
74055555016501
oct650616533152
9173138621703
1057012827754
11221a7289373
12b0715926b6
1354b791764c
142a8bc69838
15173a394a89
hexd463ab66a

57012827754 has 32 divisors (see below), whose sum is σ = 120659134464. Its totient is φ = 17921971760.

The previous prime is 57012827747. The next prime is 57012827779. The reversal of 57012827754 is 45772821075.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2899614 + ... + 2919209.

It is an arithmetic number, because the mean of its divisors is an integer number (3770597952).

Almost surely, 257012827754 is an apocalyptic number.

57012827754 is an abundant number, since it is smaller than the sum of its proper divisors (63646306710).

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

57012827754 is a wasteful number, since it uses less digits than its factorization.

57012827754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5818922.

The product of its (nonzero) digits is 1097600, while the sum is 48.

The spelling of 57012827754 in words is "fifty-seven billion, twelve million, eight hundred twenty-seven thousand, seven hundred fifty-four".

Divisors: 1 2 3 6 23 46 69 71 138 142 213 426 1633 3266 4899 9798 5818823 11637646 17456469 34912938 133832929 267665858 401498787 413136433 802997574 826272866 1239409299 2478818598 9502137959 19004275918 28506413877 57012827754