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2756047427 = 72317995633
BaseRepresentation
bin1010010001000101…
…1111001001000011
321010001222201022122
42210101133021003
521121022004202
61133251354455
7125204005460
oct24421371103
97101881278
102756047427
111194798251
1264abb2a2b
1334bcab5c3
141c2062667
15111e569a2
hexa445f243

2756047427 has 16 divisors (see below), whose sum is σ = 3305111040. Its totient is φ = 2246969472.

The previous prime is 2756047409. The next prime is 2756047439. The reversal of 2756047427 is 7247406572.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2756047427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2756047457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18998 + ... + 76635.

It is an arithmetic number, because the mean of its divisors is an integer number (206569440).

Almost surely, 22756047427 is an apocalyptic number.

2756047427 is a deficient number, since it is larger than the sum of its proper divisors (549063613).

2756047427 is a wasteful number, since it uses less digits than its factorization.

2756047427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95842.

The product of its (nonzero) digits is 658560, while the sum is 44.

The square root of 2756047427 is about 52498.0706978837. The cubic root of 2756047427 is about 1402.0458909224.

The spelling of 2756047427 in words is "two billion, seven hundred fifty-six million, forty-seven thousand, four hundred twenty-seven".

Divisors: 1 7 23 161 179 1253 4117 28819 95633 669431 2199559 15396913 17118307 119828149 393721061 2756047427