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12396627361 = 29427469909
BaseRepresentation
bin10111000101110010…
…11000010110100001
31011222221102220210201
423202321120112201
5200342014033421
65410034425201
7616125410506
oct134271302641
934887386721
1012396627361
115291633688
12249b732201
131227394c81
148585854ad
154c84b9b91
hex2e2e585a1

12396627361 has 4 divisors (see below), whose sum is σ = 12824097300. Its totient is φ = 11969157424.

The previous prime is 12396627329. The next prime is 12396627389. The reversal of 12396627361 is 16372669321.

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 7541185600 + 4855441761 = 86840^2 + 69681^2 .

It is a cyclic number.

It is not a de Polignac number, because 12396627361 - 25 = 12396627329 is a prime.

It is a super-4 number, since 4×123966273614 (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12396627161) 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, 213734926 + ... + 213734983.

It is an arithmetic number, because the mean of its divisors is an integer number (3206024325).

Almost surely, 212396627361 is an apocalyptic number.

It is an amenable number.

12396627361 is a deficient number, since it is larger than the sum of its proper divisors (427469939).

12396627361 is an equidigital number, since it uses as much as digits as its factorization.

12396627361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427469938.

The product of its digits is 489888, while the sum is 46.

The spelling of 12396627361 in words is "twelve billion, three hundred ninety-six million, six hundred twenty-seven thousand, three hundred sixty-one".

Divisors: 1 29 427469909 12396627361