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57839048386 = 275970023061
BaseRepresentation
bin110101110111011110…
…011101011011000010
312112021220101002102021
4311313132131123002
51421423244022021
642323151312054
74115206541140
oct656736353302
9175256332367
1057839048386
11225906a9139
12b26221b62a
1355b9b4b1b2
142b2989c590
151787b9ac41
hexd7779d6c2

57839048386 has 16 divisors (see below), whose sum is σ = 100833209280. Its totient is φ = 24368024880.

The previous prime is 57839048357. The next prime is 57839048389. The reversal of 57839048386 is 68384093875.

It is not an unprimeable number, because it can be changed into a prime (57839048389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35010705 + ... + 35012356.

It is an arithmetic number, because the mean of its divisors is an integer number (6302075580).

Almost surely, 257839048386 is an apocalyptic number.

57839048386 is a deficient number, since it is larger than the sum of its proper divisors (42994160894).

57839048386 is a wasteful number, since it uses less digits than its factorization.

57839048386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70023129.

The product of its (nonzero) digits is 34836480, while the sum is 61.

The spelling of 57839048386 in words is "fifty-seven billion, eight hundred thirty-nine million, forty-eight thousand, three hundred eighty-six".

Divisors: 1 2 7 14 59 118 413 826 70023061 140046122 490161427 980322854 4131360599 8262721198 28919524193 57839048386