Base | Representation |
---|---|
bin | 111110101111101… |
… | …1110111110110100 |
3 | 12102201200200012110 |
4 | 1331133132332310 |
5 | 13302440432424 |
6 | 544530051020 |
7 | 103113436026 |
oct | 17537367664 |
9 | 5381620173 |
10 | 2105405364 |
11 | 9904a0237 |
12 | 4a9119a70 |
13 | 2772612ba |
14 | 15d896016 |
15 | c4c83c29 |
hex | 7d7defb4 |
2105405364 has 24 divisors (see below), whose sum is σ = 4914292320. Its totient is φ = 701561824.
The previous prime is 2105405321. The next prime is 2105405381. The reversal of 2105405364 is 4635045012.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8542 + ... + 65450.
It is an arithmetic number, because the mean of its divisors is an integer number (204762180).
Almost surely, 22105405364 is an apocalyptic number.
It is an amenable number.
2105405364 is an abundant number, since it is smaller than the sum of its proper divisors (2808886956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2105405364 is a wasteful number, since it uses less digits than its factorization.
2105405364 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59999 (or 59997 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 30.
The square root of 2105405364 is about 45884.6964030492. The cubic root of 2105405364 is about 1281.6769532355.
The spelling of 2105405364 in words is "two billion, one hundred five million, four hundred five thousand, three hundred sixty-four".
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