Base | Representation |
---|---|
bin | 10110110010000011… |
… | …01000110111100010 |
3 | 1011120101211012012211 |
4 | 23121001220313202 |
5 | 200022120120002 |
6 | 5341401112334 |
7 | 612044645305 |
oct | 133101506742 |
9 | 34511735184 |
10 | 12231020002 |
11 | 52071013a3 |
12 | 24541886aa |
13 | 11cbc90156 |
14 | 840596b3c |
15 | 4b8ba5dd7 |
hex | 2d9068de2 |
12231020002 has 16 divisors (see below), whose sum is σ = 18697138560. Its totient is φ = 5999627088.
The previous prime is 12231019991. The next prime is 12231020003. The reversal of 12231020002 is 20002013221.
It is not an unprimeable number, because it can be changed into a prime (12231020003) 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, 221728 + ... + 271339.
It is an arithmetic number, because the mean of its divisors is an integer number (1168571160).
Almost surely, 212231020002 is an apocalyptic number.
12231020002 is a deficient number, since it is larger than the sum of its proper divisors (6466118558).
12231020002 is a wasteful number, since it uses less digits than its factorization.
12231020002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 493305.
The product of its (nonzero) digits is 48, while the sum is 13.
Adding to 12231020002 its reverse (20002013221), we get a palindrome (32233033223).
The spelling of 12231020002 in words is "twelve billion, two hundred thirty-one million, twenty thousand, two".
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