Base | Representation |
---|---|
bin | 11000101000000100… |
… | …00111010010001010 |
3 | 1021010101122101220220 |
4 | 30110002013102022 |
5 | 204034034002310 |
6 | 10023523530510 |
7 | 645425435316 |
oct | 142402072212 |
9 | 37111571826 |
10 | 13221000330 |
11 | 5674a0125a |
12 | 268b829a36 |
13 | 13290cc825 |
14 | 8d5c56b46 |
15 | 525a58670 |
hex | 31408748a |
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.
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