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8665755913 = 45231915931
BaseRepresentation
bin10000001001000010…
…01111000100001001
3211100221011000022201
420010201033010021
5120221413142123
63551521120201
7424513465333
oct100441170411
924327130281
108665755913
113747658751
12181a189061
13a81452829
145c2c8a453
1535aba65ad
hex20484f109

8665755913 has 4 divisors (see below), whose sum is σ = 8667676368. Its totient is φ = 8663835460.

The previous prime is 8665755893. The next prime is 8665755991. The reversal of 8665755913 is 3195575668.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8665755913 - 25 = 8665755881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8665755013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 953443 + ... + 962488.

It is an arithmetic number, because the mean of its divisors is an integer number (2166919092).

Almost surely, 28665755913 is an apocalyptic number.

It is an amenable number.

8665755913 is a deficient number, since it is larger than the sum of its proper divisors (1920455).

8665755913 is a wasteful number, since it uses less digits than its factorization.

8665755913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920454.

The product of its digits is 6804000, while the sum is 55.

The square root of 8665755913 is about 93090.0419647558. The cubic root of 8665755913 is about 2054.0080943854.

It can be divided in two parts, 8665755 and 913, that added together give a palindrome (8666668).

The spelling of 8665755913 in words is "eight billion, six hundred sixty-five million, seven hundred fifty-five thousand, nine hundred thirteen".

Divisors: 1 4523 1915931 8665755913