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11312242229 = 12967872387
BaseRepresentation
bin10101000100100001…
…10001111000110101
31002012100222110001102
422202100301320311
5141131413222404
65110300335445
7550220321021
oct124220617065
932170873042
1011312242229
114885514022
122238544585
1310b3820772
1479454d381
154631ba71e
hex2a2431e35

11312242229 has 4 divisors (see below), whose sum is σ = 11313127584. Its totient is φ = 11311356876.

The previous prime is 11312242219. The next prime is 11312242231. The reversal of 11312242229 is 92224221311.

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.

It is a cyclic number.

It is not a de Polignac number, because 11312242229 - 28 = 11312241973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312242219) 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, 423227 + ... + 449160.

It is an arithmetic number, because the mean of its divisors is an integer number (2828281896).

Almost surely, 211312242229 is an apocalyptic number.

It is an amenable number.

11312242229 is a deficient number, since it is larger than the sum of its proper divisors (885355).

11312242229 is an equidigital number, since it uses as much as digits as its factorization.

11312242229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885354.

The product of its digits is 3456, while the sum is 29.

The spelling of 11312242229 in words is "eleven billion, three hundred twelve million, two hundred forty-two thousand, two hundred twenty-nine".

Divisors: 1 12967 872387 11312242229