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13221000330 = 235440700011
BaseRepresentation
bin11000101000000100…
…00111010010001010
31021010101122101220220
430110002013102022
5204034034002310
610023523530510
7645425435316
oct142402072212
937111571826
1013221000330
115674a0125a
12268b829a36
1313290cc825
148d5c56b46
15525a58670
hex31408748a

13221000330 has 16 divisors (see below), whose sum is σ = 31730400864. Its totient is φ = 3525600080.

The previous prime is 13221000307. The next prime is 13221000349. The reversal of 13221000330 is 3300012231.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220349976 + ... + 220350035.

It is an arithmetic number, because the mean of its divisors is an integer number (1983150054).

Almost surely, 213221000330 is an apocalyptic number.

13221000330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13221000330 is an abundant number, since it is smaller than the sum of its proper divisors (18509400534).

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

13221000330 is a wasteful number, since it uses less digits than its factorization.

13221000330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440700021.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 13221000330 its reverse (3300012231), we get a palindrome (16521012561).

The spelling of 13221000330 in words is "thirteen billion, two hundred twenty-one million, three hundred thirty", and thus it is an aban number.

Divisors: 1 2 3 5 6 10 15 30 440700011 881400022 1322100033 2203500055 2644200066 4407000110 6610500165 13221000330