Base | Representation |
---|---|
bin | 111110101111011… |
… | …1100100011011101 |
3 | 12102201102111202200 |
4 | 1331132330203131 |
5 | 13302421424344 |
6 | 544523042113 |
7 | 103112310636 |
oct | 17536744335 |
9 | 5381374680 |
10 | 2105264349 |
11 | 9904042a1 |
12 | 4a9070339 |
13 | 277212066 |
14 | 15d85a88d |
15 | c4c57069 |
hex | 7d7bc8dd |
2105264349 has 12 divisors (see below), whose sum is σ = 3041337312. Its totient is φ = 1403325000.
The previous prime is 2105264327. The next prime is 2105264363. The reversal of 2105264349 is 9434625012.
It is a happy number.
2105264349 is a `hidden beast` number, since 2 + 1 + 0 + 5 + 2 + 643 + 4 + 9 = 666.
It is not a de Polignac number, because 2105264349 - 216 = 2105198813 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2105264389) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115254 + ... + 132264.
It is an arithmetic number, because the mean of its divisors is an integer number (253444776).
Almost surely, 22105264349 is an apocalyptic number.
It is an amenable number.
2105264349 is a deficient number, since it is larger than the sum of its proper divisors (936072963).
2105264349 is a wasteful number, since it uses less digits than its factorization.
2105264349 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30768 (or 30765 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The square root of 2105264349 is about 45883.1597538792. The cubic root of 2105264349 is about 1281.6483380475.
The spelling of 2105264349 in words is "two billion, one hundred five million, two hundred sixty-four thousand, three hundred forty-nine".
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