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13457357018 = 27961239787
BaseRepresentation
bin11001000100001111…
…01111100011011010
31021201212101120100022
430202013233203122
5210030040411033
610103205510442
7654325435010
oct144207574332
937655346308
1013457357018
115786366566
122736a12422
131366076261
149193c08b0
1553b695098
hex3221ef8da

13457357018 has 8 divisors (see below), whose sum is σ = 23069754912. Its totient is φ = 5767438716.

The previous prime is 13457357003. The next prime is 13457357027. The reversal of 13457357018 is 81075375431.

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

It is a super-2 number, since 2×134573570182 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13457357018.

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, 480619880 + ... + 480619907.

It is an arithmetic number, because the mean of its divisors is an integer number (2883719364).

Almost surely, 213457357018 is an apocalyptic number.

13457357018 is a deficient number, since it is larger than the sum of its proper divisors (9612397894).

13457357018 is an equidigital number, since it uses as much as digits as its factorization.

13457357018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961239796.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 13457357018 in words is "thirteen billion, four hundred fifty-seven million, three hundred fifty-seven thousand, eighteen".

Divisors: 1 2 7 14 961239787 1922479574 6728678509 13457357018