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3112386858 = 232779312677
BaseRepresentation
bin1011100110000011…
…0100000100101010
322000220111122010100
42321200310010222
522333232334413
61232501130230
7140061565110
oct27140640452
98026448110
103112386858
111357952349
1272a3b9976
133a7a74139
142174ddab0
15133393a73
hexb983412a

3112386858 has 48 divisors (see below), whose sum is σ = 7804442880. Its totient is φ = 877994208.

The previous prime is 3112386857. The next prime is 3112386863. The reversal of 3112386858 is 8586832113.

It is a super-2 number, since 2×31123868582 = 19373903907702224328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3112386853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146385 + ... + 166292.

It is an arithmetic number, because the mean of its divisors is an integer number (162592560).

Almost surely, 23112386858 is an apocalyptic number.

3112386858 is an abundant number, since it is smaller than the sum of its proper divisors (4692056022).

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

3112386858 is a wasteful number, since it uses less digits than its factorization.

3112386858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312771 (or 312768 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 3112386858 is about 55788.7699989881. The cubic root of 3112386858 is about 1460.0392273816.

It can be divided in two parts, 311238 and 6858, that added together give a square (318096 = 5642).

The spelling of 3112386858 in words is "three billion, one hundred twelve million, three hundred eighty-six thousand, eight hundred fifty-eight".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 79 126 158 237 474 553 711 1106 1422 1659 3318 4977 9954 312677 625354 938031 1876062 2188739 2814093 4377478 5628186 6566217 13132434 19698651 24701483 39397302 49402966 74104449 148208898 172910381 222313347 345820762 444626694 518731143 1037462286 1556193429 3112386858