Base | Representation |
---|---|
bin | 111110110000101… |
… | …1001010001101010 |
3 | 12102202122010022222 |
4 | 1331201121101222 |
5 | 13303103000112 |
6 | 544544514042 |
7 | 103120623314 |
oct | 17541312152 |
9 | 5382563288 |
10 | 2105906282 |
11 | 990802617 |
12 | 4a931b922 |
13 | 2773a82bc |
14 | 15d9867b4 |
15 | c4d32372 |
hex | 7d85946a |
2105906282 has 32 divisors (see below), whose sum is σ = 3363022800. Its totient is φ = 987130368.
The previous prime is 2105906261. The next prime is 2105906303. The reversal of 2105906282 is 2826095012.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2105906261) and next prime (2105906303).
It can be written as a sum of positive squares in 8 ways, for example, as 1393603561 + 712302721 = 37331^2 + 26689^2 .
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, 1735508 + ... + 1736720.
Almost surely, 22105906282 is an apocalyptic number.
2105906282 is a deficient number, since it is larger than the sum of its proper divisors (1257116518).
2105906282 is a wasteful number, since it uses less digits than its factorization.
2105906282 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2090.
The product of its (nonzero) digits is 17280, while the sum is 35.
The square root of 2105906282 is about 45890.1545214221. The cubic root of 2105906282 is about 1281.7785906933.
The spelling of 2105906282 in words is "two billion, one hundred five million, nine hundred six thousand, two hundred eighty-two".
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