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12295399409 = 23223242721
BaseRepresentation
bin10110111001101110…
…01110011111110001
31011201212222000011022
423130313032133301
5200140110240114
65352021025225
7613456112336
oct133467163761
934655860138
1012295399409
11523a483617
122471855215
13120c411587
14848d5498d
154be67148e
hex2dcdce7f1

12295399409 has 6 divisors (see below), whose sum is σ = 12853225266. Its totient is φ = 11760816320.

The previous prime is 12295399357. The next prime is 12295399411. The reversal of 12295399409 is 90499359221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10879533025 + 1415866384 = 104305^2 + 37628^2 .

It is not a de Polignac number, because 12295399409 - 212 = 12295395313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12295399499) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11620832 + ... + 11621889.

It is an arithmetic number, because the mean of its divisors is an integer number (2142204211).

Almost surely, 212295399409 is an apocalyptic number.

It is an amenable number.

12295399409 is a deficient number, since it is larger than the sum of its proper divisors (557825857).

12295399409 is an equidigital number, since it uses as much as digits as its factorization.

12295399409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23242767 (or 23242744 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 53.

The spelling of 12295399409 in words is "twelve billion, two hundred ninety-five million, three hundred ninety-nine thousand, four hundred nine".

Divisors: 1 23 529 23242721 534582583 12295399409