Base | Representation |
---|---|
bin | 10110100110011000… |
… | …10000111010111101 |
3 | 1011022120122111010020 |
4 | 23103030100322331 |
5 | 144322041022310 |
6 | 5323543202353 |
7 | 606446002302 |
oct | 132314207275 |
9 | 34276574106 |
10 | 12133142205 |
11 | 516692a358 |
12 | 24274463b9 |
13 | 11b49105b2 |
14 | 8315990a9 |
15 | 4b02c0170 |
hex | 2d3310ebd |
12133142205 has 16 divisors (see below), whose sum is σ = 19415484864. Its totient is φ = 6470190080.
The previous prime is 12133142201. The next prime is 12133142213. The reversal of 12133142205 is 50224133121.
It is not a de Polignac number, because 12133142205 - 22 = 12133142201 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12133142201) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82525 + ... + 176285.
It is an arithmetic number, because the mean of its divisors is an integer number (1213467804).
Almost surely, 212133142205 is an apocalyptic number.
12133142205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12133142205 is a deficient number, since it is larger than the sum of its proper divisors (7282342659).
12133142205 is an equidigital number, since it uses as much as digits as its factorization.
12133142205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102396.
The product of its (nonzero) digits is 1440, while the sum is 24.
Adding to 12133142205 its reverse (50224133121), we get a palindrome (62357275326).
The spelling of 12133142205 in words is "twelve billion, one hundred thirty-three million, one hundred forty-two thousand, two hundred five".
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