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45143531113 = 75775957969
BaseRepresentation
bin101010000010110000…
…111001111001101001
311022112010111222201211
4222002300321321221
51214423220443423
632423314313121
73155461453222
oct520260717151
9138463458654
1045143531113
111816638a0aa
1288ba5887a1
1343458867b5
142283752249
15129334110d
hexa82c39e69

45143531113 has 4 divisors (see below), whose sum is σ = 45149496660. Its totient is φ = 45137565568.

The previous prime is 45143531089. The next prime is 45143531117. The reversal of 45143531113 is 31113534154.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5722619904 + 39420911209 = 75648^2 + 198547^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45143531113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45143531117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2971408 + ... + 2986561.

It is an arithmetic number, because the mean of its divisors is an integer number (11287374165).

Almost surely, 245143531113 is an apocalyptic number.

It is an amenable number.

45143531113 is a deficient number, since it is larger than the sum of its proper divisors (5965547).

45143531113 is an equidigital number, since it uses as much as digits as its factorization.

45143531113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5965546.

The product of its digits is 10800, while the sum is 31.

The spelling of 45143531113 in words is "forty-five billion, one hundred forty-three million, five hundred thirty-one thousand, one hundred thirteen".

Divisors: 1 7577 5957969 45143531113