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13211231322 = 233759999349
BaseRepresentation
bin11000100110111001…
…10110010001011010
31021002201021002100210
430103130312101122
5204024033400242
610022534311550
7645246420252
oct142334662132
937081232323
1013211231322
11566a4396a3
1226884b85b6
13132708c153
148d4832962
15524c78d9c
hex31373645a

13211231322 has 32 divisors (see below), whose sum is σ = 27182160000. Its totient is φ = 4277527488.

The previous prime is 13211231309. The next prime is 13211231323. The reversal of 13211231322 is 22313211231.

13211231322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (13211231323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83304 + ... + 182652.

It is an arithmetic number, because the mean of its divisors is an integer number (849442500).

Almost surely, 213211231322 is an apocalyptic number.

13211231322 is an abundant number, since it is smaller than the sum of its proper divisors (13970928678).

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

13211231322 is a wasteful number, since it uses less digits than its factorization.

13211231322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99990.

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

Adding to 13211231322 its reverse (22313211231), we get a palindrome (35524442553).

The spelling of 13211231322 in words is "thirteen billion, two hundred eleven million, two hundred thirty-one thousand, three hundred twenty-two".

Divisors: 1 2 3 6 37 74 111 222 599 1198 1797 3594 22163 44326 66489 99349 132978 198698 298047 596094 3675913 7351826 11027739 22055478 59510051 119020102 178530153 357060306 2201871887 4403743774 6605615661 13211231322