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27870268328 = 237497683363
BaseRepresentation
bin11001111101001100…
…101000101110101000
32122221022211022202022
4121331030220232220
5424034242041303
620445312324012
72004436241420
oct317514505650
978838738668
1027870268328
1110902049111
125499843608
132822097446
1414c565d480
15ad1b8c438
hex67d328ba8

27870268328 has 16 divisors (see below), whose sum is σ = 59722003680. Its totient is φ = 11944400688.

The previous prime is 27870268297. The next prime is 27870268337. The reversal of 27870268328 is 82386207872.

It is a self number, because there is not a number n which added to its sum of digits gives 27870268328.

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, 248841626 + ... + 248841737.

It is an arithmetic number, because the mean of its divisors is an integer number (3732625230).

Almost surely, 227870268328 is an apocalyptic number.

27870268328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27870268328 is an abundant number, since it is smaller than the sum of its proper divisors (31851735352).

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

27870268328 is a wasteful number, since it uses less digits than its factorization.

27870268328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497683376 (or 497683372 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 53.

The spelling of 27870268328 in words is "twenty-seven billion, eight hundred seventy million, two hundred sixty-eight thousand, three hundred twenty-eight".

Divisors: 1 2 4 7 8 14 28 56 497683363 995366726 1990733452 3483783541 3981466904 6967567082 13935134164 27870268328