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27312760642 = 219809888451
BaseRepresentation
bin11001011011111101…
…111010011101000010
32121111110202222222111
4121123331322131002
5421414031320032
620314115125534
71654556430526
oct313375723502
977443688874
1027312760642
1110646383362
125362ba38aa
13276372893b
1414715b7d86
15a9cc64c47
hex65bf7a742

27312760642 has 16 divisors (see below), whose sum is σ = 43178767200. Its totient is φ = 12921616800.

The previous prime is 27312760633. The next prime is 27312760691. The reversal of 27312760642 is 24606721372.

It is a happy number.

27312760642 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 27312760595 and 27312760604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413484 + ... + 474967.

It is an arithmetic number, because the mean of its divisors is an integer number (2698672950).

Almost surely, 227312760642 is an apocalyptic number.

27312760642 is a deficient number, since it is larger than the sum of its proper divisors (15866006558).

27312760642 is a wasteful number, since it uses less digits than its factorization.

27312760642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889281.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 27312760642 in words is "twenty-seven billion, three hundred twelve million, seven hundred sixty thousand, six hundred forty-two".

Divisors: 1 2 19 38 809 1618 15371 30742 888451 1776902 16880569 33761138 718756859 1437513718 13656380321 27312760642