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13222331112 = 2331348740849
BaseRepresentation
bin11000101000001110…
…01100001011101000
31021010111011000102010
430110013030023220
5204034404043422
610024012235520
7645442650204
oct142407141350
937114130363
1013222331112
115675730081
12269016bba0
131329477483
148d60c1b04
15525c1cb0c
hex3141cc2e8

13222331112 has 32 divisors (see below), whose sum is σ = 33059088000. Its totient is φ = 4407009024.

The previous prime is 13222331107. The next prime is 13222331117. The reversal of 13222331112 is 21113322231.

It is an interprime number because it is at equal distance from previous prime (13222331107) and next prime (13222331117).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (13222331117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303264 + ... + 344112.

It is an arithmetic number, because the mean of its divisors is an integer number (1033096500).

Almost surely, 213222331112 is an apocalyptic number.

13222331112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13222331112 is an abundant number, since it is smaller than the sum of its proper divisors (19836756888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13222331112 is a wasteful number, since it uses less digits than its factorization.

13222331112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54345 (or 54341 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

Adding to 13222331112 its reverse (21113322231), we get a palindrome (34335653343).

The spelling of 13222331112 in words is "thirteen billion, two hundred twenty-two million, three hundred thirty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 13487 26974 40461 40849 53948 80922 81698 107896 122547 161844 163396 245094 323688 326792 490188 980376 550930463 1101860926 1652791389 2203721852 3305582778 4407443704 6611165556 13222331112