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11857086312 = 233494045263
BaseRepresentation
bin10110000101011110…
…01100011101101000
31010121100012101121220
423002233030131220
5143240403230222
65240322302040
7566554366521
oct130257143550
933540171556
1011857086312
11503501a495
12236aab7920
13116c677206
14806a59848
15495e40b5c
hex2c2bcc768

11857086312 has 16 divisors (see below), whose sum is σ = 29642715840. Its totient is φ = 3952362096.

The previous prime is 11857086301. The next prime is 11857086323. The reversal of 11857086312 is 21368075811.

11857086312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11857086301) and next prime (11857086323).

It is a super-2 number, since 2×118570863122 (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247022608 + ... + 247022655.

It is an arithmetic number, because the mean of its divisors is an integer number (1852669740).

Almost surely, 211857086312 is an apocalyptic number.

11857086312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11857086312 is an abundant number, since it is smaller than the sum of its proper divisors (17785629528).

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

11857086312 is a wasteful number, since it uses less digits than its factorization.

11857086312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494045272 (or 494045268 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The spelling of 11857086312 in words is "eleven billion, eight hundred fifty-seven million, eighty-six thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 494045263 988090526 1482135789 1976181052 2964271578 3952362104 5928543156 11857086312