Base | Representation |
---|---|
bin | 1111000101111010… |
… | …01000001001110010 |
3 | 202220200112212122121 |
4 | 13202331020021302 |
5 | 113043234023130 |
6 | 3420003424454 |
7 | 404535215551 |
oct | 74275101162 |
9 | 22820485577 |
10 | 8102642290 |
11 | 3488804096 |
12 | 16a168512a |
13 | 9c18a04c2 |
14 | 56c185d98 |
15 | 326522d7a |
hex | 1e2f48272 |
8102642290 has 16 divisors (see below), whose sum is σ = 14726357568. Its totient is φ = 3209589936.
The previous prime is 8102642269. The next prime is 8102642293. The reversal of 8102642290 is 922462018.
It is not an unprimeable number, because it can be changed into a prime (8102642293) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3932292 + ... + 3934351.
It is an arithmetic number, because the mean of its divisors is an integer number (920397348).
Almost surely, 28102642290 is an apocalyptic number.
8102642290 is a deficient number, since it is larger than the sum of its proper divisors (6623715278).
8102642290 is a wasteful number, since it uses less digits than its factorization.
8102642290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7866753.
The product of its (nonzero) digits is 13824, while the sum is 34.
The square root of 8102642290 is about 90014.6781919482. The cubic root of 8102642290 is about 2008.5172013191.
The spelling of 8102642290 in words is "eight billion, one hundred two million, six hundred forty-two thousand, two hundred ninety".
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