Base | Representation |
---|---|
bin | 111110111100110… |
… | …0100110111010101 |
3 | 12110012120011200220 |
4 | 1331321210313111 |
5 | 13311213321310 |
6 | 545332424553 |
7 | 103225534200 |
oct | 17571446725 |
9 | 5405504626 |
10 | 2112245205 |
11 | 9943420a4 |
12 | 4ab478159 |
13 | 2787b7645 |
14 | 160756937 |
15 | c5685670 |
hex | 7de64dd5 |
2112245205 has 48 divisors (see below), whose sum is σ = 3969673344. Its totient is φ = 956188800.
The previous prime is 2112245173. The next prime is 2112245293. The reversal of 2112245205 is 5025422112.
It is not a de Polignac number, because 2112245205 - 25 = 2112245173 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61755 + ... + 89655.
It is an arithmetic number, because the mean of its divisors is an integer number (82701528).
Almost surely, 22112245205 is an apocalyptic number.
It is an amenable number.
2112245205 is a deficient number, since it is larger than the sum of its proper divisors (1857428139).
2112245205 is a wasteful number, since it uses less digits than its factorization.
2112245205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28026 (or 28019 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 24.
The square root of 2112245205 is about 45959.1688893522. The cubic root of 2112245205 is about 1283.0633830728.
Adding to 2112245205 its reverse (5025422112), we get a palindrome (7137667317).
The spelling of 2112245205 in words is "two billion, one hundred twelve million, two hundred forty-five thousand, two hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •