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13422243361 = 59023227407
BaseRepresentation
bin11001000000000011…
…10010111000100001
31021122102022121110111
430200001302320201
5204442043241421
610055513131321
7653421120562
oct144001627041
937572277414
1013422243361
11576856310a
1227270b9b41
13135ba00847
14914880169
1553855aee1
hex320072e21

13422243361 has 4 divisors (see below), whose sum is σ = 13422529792. Its totient is φ = 13421956932.

The previous prime is 13422243343. The next prime is 13422243413. The reversal of 13422243361 is 16334222431.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16334222431 = 31526910401.

It is a cyclic number.

It is not a de Polignac number, because 13422243361 - 227 = 13288025633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13422243301) 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, 54681 + ... + 172726.

It is an arithmetic number, because the mean of its divisors is an integer number (3355632448).

Almost surely, 213422243361 is an apocalyptic number.

It is an amenable number.

13422243361 is a deficient number, since it is larger than the sum of its proper divisors (286431).

13422243361 is an equidigital number, since it uses as much as digits as its factorization.

13422243361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286430.

The product of its digits is 20736, while the sum is 31.

Adding to 13422243361 its reverse (16334222431), we get a palindrome (29756465792).

The spelling of 13422243361 in words is "thirteen billion, four hundred twenty-two million, two hundred forty-three thousand, three hundred sixty-one".

Divisors: 1 59023 227407 13422243361