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45663132479 = 179092549731
BaseRepresentation
bin101010100001101111…
…000001101100111111
311100212100020110210212
4222201233001230333
51222004230214404
632551035223035
73204401136056
oct524157015477
9140770213725
1045663132479
1118402714318
128a245a7a7b
1343c9412723
1422d276b39d
1512c3c7c06e
hexaa1bc1b3f

45663132479 has 4 divisors (see below), whose sum is σ = 45665700120. Its totient is φ = 45660564840.

The previous prime is 45663132457. The next prime is 45663132491. The reversal of 45663132479 is 97423136654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97423136654 = 248711568327.

It is a cyclic number.

It is not a de Polignac number, because 45663132479 - 28 = 45663132223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45663132419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1256957 + ... + 1292774.

It is an arithmetic number, because the mean of its divisors is an integer number (11416425030).

Almost surely, 245663132479 is an apocalyptic number.

45663132479 is a deficient number, since it is larger than the sum of its proper divisors (2567641).

45663132479 is a wasteful number, since it uses less digits than its factorization.

45663132479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567640.

The product of its digits is 3265920, while the sum is 50.

The spelling of 45663132479 in words is "forty-five billion, six hundred sixty-three million, one hundred thirty-two thousand, four hundred seventy-nine".

Divisors: 1 17909 2549731 45663132479