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45131645306 = 21131619106907
BaseRepresentation
bin101010000010000011…
…100100000101111010
311022111022011010110202
4222002003210011322
51214412200122211
632422211442202
73155255440556
oct520203440572
9138438133422
1045131645306
111815a701120
1288b65b6362
134343284787
142281d3a866
15129229453b
hexa820e417a

45131645306 has 32 divisors (see below), whose sum is σ = 76357969920. Its totient is φ = 19820372400.

The previous prime is 45131645261. The next prime is 45131645309. The reversal of 45131645306 is 60354613154.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45131645306.

It is not an unprimeable number, because it can be changed into a prime (45131645309) 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, 368705 + ... + 475611.

It is an arithmetic number, because the mean of its divisors is an integer number (2386186560).

Almost surely, 245131645306 is an apocalyptic number.

45131645306 is a deficient number, since it is larger than the sum of its proper divisors (31226324614).

45131645306 is a wasteful number, since it uses less digits than its factorization.

45131645306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107570.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 45131645306 in words is "forty-five billion, one hundred thirty-one million, six hundred forty-five thousand, three hundred six".

Divisors: 1 2 11 22 31 62 341 619 682 1238 6809 13618 19189 38378 106907 211079 213814 422158 1175977 2351954 3314117 6628234 36455287 66175433 72910574 132350866 727929763 1455859526 2051438423 4102876846 22565822653 45131645306