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5172115259 = 12740725317
BaseRepresentation
bin1001101000100100…
…00011011100111011
3111100110020200022102
410310102003130323
541043030142014
62213120214015
7242112153143
oct46422033473
914313220272
105172115259
112214584823
12100416a30b
1364570193c
14370ca5923
152041038de
hex13448373b

5172115259 has 4 divisors (see below), whose sum is σ = 5212840704. Its totient is φ = 5131389816.

The previous prime is 5172115253. The next prime is 5172115261. The reversal of 5172115259 is 9525112715.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5172115259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5172115253) 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, 20362532 + ... + 20362785.

It is an arithmetic number, because the mean of its divisors is an integer number (1303210176).

Almost surely, 25172115259 is an apocalyptic number.

5172115259 is a deficient number, since it is larger than the sum of its proper divisors (40725445).

5172115259 is a wasteful number, since it uses less digits than its factorization.

5172115259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40725444.

The product of its digits is 31500, while the sum is 38.

The square root of 5172115259 is about 71917.4197187302. The cubic root of 5172115259 is about 1729.3758826580.

The spelling of 5172115259 in words is "five billion, one hundred seventy-two million, one hundred fifteen thousand, two hundred fifty-nine".

Divisors: 1 127 40725317 5172115259