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5268915025921 = 31871653252283
BaseRepresentation
bin100110010101100001111…
…0011101111100000000001
3200122200222202011212011001
41030223003303233200001
51142311214221312141
615112301154452001
71052444424524101
oct114530363574001
920580882155131
105268915025921
111751597198738
12711198b94001
132c2b19b0b491
14143034333201
15920caddca31
hex4cac3cef801

5268915025921 has 4 divisors (see below), whose sum is σ = 5270568281392. Its totient is φ = 5267261770452.

The previous prime is 5268915025901. The next prime is 5268915025937. The reversal of 5268915025921 is 1295205198625.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5268915025921 - 25 = 5268915025889 is a prime.

It is a super-2 number, since 2×52689150259212 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5268915025901) 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, 826622955 + ... + 826629328.

It is an arithmetic number, because the mean of its divisors is an integer number (1317642070348).

Almost surely, 25268915025921 is an apocalyptic number.

It is an amenable number.

5268915025921 is a deficient number, since it is larger than the sum of its proper divisors (1653255471).

5268915025921 is a wasteful number, since it uses less digits than its factorization.

5268915025921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653255470.

The product of its (nonzero) digits is 3888000, while the sum is 55.

The spelling of 5268915025921 in words is "five trillion, two hundred sixty-eight billion, nine hundred fifteen million, twenty-five thousand, nine hundred twenty-one".

Divisors: 1 3187 1653252283 5268915025921