Base | Representation |
---|---|
bin | 1111000000111101… |
… | …00101011100000101 |
3 | 202210210100100202111 |
4 | 13200132211130011 |
5 | 113002114100344 |
6 | 3411520541021 |
7 | 403522026616 |
oct | 74036453405 |
9 | 22723310674 |
10 | 8061081349 |
11 | 34672a7802 |
12 | 168b781771 |
13 | 9b60ab329 |
14 | 566847c0d |
15 | 322a63834 |
hex | 1e07a5705 |
8061081349 has 12 divisors (see below), whose sum is σ = 8242701600. Its totient is φ = 7883028648.
The previous prime is 8061081293. The next prime is 8061081359. The reversal of 8061081349 is 9431801608.
It is not a de Polignac number, because 8061081349 - 29 = 8061080837 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8061081359) 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, 617512 + ... + 630430.
It is an arithmetic number, because the mean of its divisors is an integer number (686891800).
Almost surely, 28061081349 is an apocalyptic number.
It is an amenable number.
8061081349 is a deficient number, since it is larger than the sum of its proper divisors (181620251).
8061081349 is a wasteful number, since it uses less digits than its factorization.
8061081349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13192 (or 13125 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 40.
The square root of 8061081349 is about 89783.5249308023. The cubic root of 8061081349 is about 2005.0772124667.
The spelling of 8061081349 in words is "eight billion, sixty-one million, eighty-one thousand, three hundred forty-nine".
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