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8957012818 = 213344500493
BaseRepresentation
bin10000101011110000…
…10010101101010010
3212010020012101200111
420111320102231102
5121320443402233
64040443511534
7434651231665
oct102570225522
925106171614
108957012818
113887000336
12189b8285aa
13ac98abbb0
1460d8256dc
15376539acd
hex215e12b52

8957012818 has 8 divisors (see below), whose sum is σ = 14469020748. Its totient is φ = 4134005904.

The previous prime is 8957012803. The next prime is 8957012839. The reversal of 8957012818 is 8182107598.

It can be written as a sum of positive squares in 2 ways, for example, as 8945943889 + 11068929 = 94583^2 + 3327^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×89570128182 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172250221 + ... + 172250272.

Almost surely, 28957012818 is an apocalyptic number.

8957012818 is a deficient number, since it is larger than the sum of its proper divisors (5512007930).

8957012818 is a wasteful number, since it uses less digits than its factorization.

8957012818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344500508.

The product of its (nonzero) digits is 322560, while the sum is 49.

The square root of 8957012818 is about 94641.4962793805. The cubic root of 8957012818 is about 2076.7667977498.

The spelling of 8957012818 in words is "eight billion, nine hundred fifty-seven million, twelve thousand, eight hundred eighteen".

Divisors: 1 2 13 26 344500493 689000986 4478506409 8957012818