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2755640812 = 22688910203
BaseRepresentation
bin1010010000111111…
…1011110111101100
321010001020001112211
42210033323313230
521120421001222
61133234540204
7125200363141
oct24417736754
97101201484
102755640812
11119453a801
1264aa37664
1334bb984c2
141c1d983c8
15111dc6277
hexa43fbdec

2755640812 has 6 divisors (see below), whose sum is σ = 4822371428. Its totient is φ = 1377820404.

The previous prime is 2755640807. The next prime is 2755640863. The reversal of 2755640812 is 2180465572.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344455098 + ... + 344455105.

Almost surely, 22755640812 is an apocalyptic number.

It is an amenable number.

2755640812 is a deficient number, since it is larger than the sum of its proper divisors (2066730616).

2755640812 is a wasteful number, since it uses less digits than its factorization.

2755640812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688910207 (or 688910205 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 2755640812 is about 52494.1978889096. The cubic root of 2755640812 is about 1401.9769369895.

The spelling of 2755640812 in words is "two billion, seven hundred fifty-five million, six hundred forty thousand, eight hundred twelve".

Divisors: 1 2 4 688910203 1377820406 2755640812