Base | Representation |
---|---|
bin | 10110100010011011… |
… | …10101110110111010 |
3 | 1011020021021202012222 |
4 | 23101031311312322 |
5 | 144240100014320 |
6 | 5320401004042 |
7 | 605564212313 |
oct | 132115656672 |
9 | 34207252188 |
10 | 12100001210 |
11 | 514a154000 |
12 | 2418323622 |
13 | 11aaaa8a3b |
14 | 82b00d60a |
15 | 4ac425825 |
hex | 2d1375dba |
12100001210 has 32 divisors (see below), whose sum is σ = 23956392384. Its totient is φ = 4399995600.
The previous prime is 12100001203. The next prime is 12100001233. The reversal of 12100001210 is 1210000121.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441236 + ... + 467855.
It is an arithmetic number, because the mean of its divisors is an integer number (748637262).
Almost surely, 212100001210 is an apocalyptic number.
12100001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12100001210 is a deficient number, since it is larger than the sum of its proper divisors (11856391174).
12100001210 is an equidigital number, since it uses as much as digits as its factorization.
12100001210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 909131 (or 909109 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 8.
Adding to 12100001210 its reverse (1210000121), we get a palindrome (13310001331).
The spelling of 12100001210 in words is "twelve billion, one hundred million, one thousand, two hundred ten".
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