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53927279945 = 5711472980231
BaseRepresentation
bin110010001110010100…
…001111110101001001
312011012021200122220122
4302032110033311021
51340420340424240
640435052433025
73616240213340
oct621624176511
9164167618818
1053927279945
11209635a8660
12a550178775
1351155ac806
142878154b57
1516095534b5
hexc8e50fd49

53927279945 has 32 divisors (see below), whose sum is σ = 82397454336. Its totient is φ = 32901739200.

The previous prime is 53927279941. The next prime is 53927279969. The reversal of 53927279945 is 54997272935.

53927279945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53927279945 - 22 = 53927279941 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53927279941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1472021 + ... + 1508210.

It is an arithmetic number, because the mean of its divisors is an integer number (2574920448).

Almost surely, 253927279945 is an apocalyptic number.

53927279945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53927279945 is a deficient number, since it is larger than the sum of its proper divisors (28470174391).

53927279945 is a wasteful number, since it uses less digits than its factorization.

53927279945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2980301.

The product of its digits is 42865200, while the sum is 62.

The spelling of 53927279945 in words is "fifty-three billion, nine hundred twenty-seven million, two hundred seventy-nine thousand, nine hundred forty-five".

Divisors: 1 5 7 11 35 47 55 77 235 329 385 517 1645 2585 3619 18095 2980231 14901155 20861617 32782541 104308085 140070857 163912705 229477787 700354285 980495999 1147388935 1540779427 4902479995 7703897135 10785455989 53927279945