Base | Representation |
---|---|
bin | 111110110011000… |
… | …0110010101010100 |
3 | 12102211221202212110 |
4 | 1331212012111110 |
5 | 13303411430122 |
6 | 545031151020 |
7 | 103134250410 |
oct | 17546062524 |
9 | 5384852773 |
10 | 2107139412 |
11 | 991475034 |
12 | 4a9815470 |
13 | 27771a671 |
14 | 15dbc7d40 |
15 | c4ec790c |
hex | 7d986554 |
2107139412 has 48 divisors (see below), whose sum is σ = 5621557760. Its totient is φ = 601769952.
The previous prime is 2107139407. The next prime is 2107139413. The reversal of 2107139412 is 2149317012.
It is a self number, because there is not a number n which added to its sum of digits gives 2107139412.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2107139413) 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, 253539 + ... + 261717.
Almost surely, 22107139412 is an apocalyptic number.
It is an amenable number.
2107139412 is an abundant number, since it is smaller than the sum of its proper divisors (3514418348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2107139412 is a wasteful number, since it uses less digits than its factorization.
2107139412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11260 (or 11258 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 30.
The square root of 2107139412 is about 45903.5882257586. The cubic root of 2107139412 is about 1282.0287270576.
The spelling of 2107139412 in words is "two billion, one hundred seven million, one hundred thirty-nine thousand, four hundred twelve".
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