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45045431012 = 22171315056739
BaseRepresentation
bin101001111100111010…
…101011101011100100
311022021021220222200202
4221330322223223210
51214223112243022
632405451530032
73153160563131
oct517472535344
9138237828622
1045045431012
1118115a7603a
128891759918
13432b4599ba
1422746d7588
151289914592
hexa7ceabae4

45045431012 has 24 divisors (see below), whose sum is σ = 84103699680. Its totient is φ = 21036030080.

The previous prime is 45045430999. The next prime is 45045431017. The reversal of 45045431012 is 21013454054.

It is not an unprimeable number, because it can be changed into a prime (45045431017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2519462 + ... + 2537277.

It is an arithmetic number, because the mean of its divisors is an integer number (3504320820).

Almost surely, 245045431012 is an apocalyptic number.

It is an amenable number.

45045431012 is a deficient number, since it is larger than the sum of its proper divisors (39058268668).

45045431012 is a wasteful number, since it uses less digits than its factorization.

45045431012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056891 (or 5056889 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 45045431012 its reverse (21013454054), we get a palindrome (66058885066).

The spelling of 45045431012 in words is "forty-five billion, forty-five million, four hundred thirty-one thousand, twelve".

Divisors: 1 2 4 17 34 68 131 262 524 2227 4454 8908 5056739 10113478 20226956 85964563 171929126 343858252 662432809 1324865618 2649731236 11261357753 22522715506 45045431012