Base | Representation |
---|---|
bin | 1111000010001100… |
… | …01101101101111001 |
3 | 202211111220011020022 |
4 | 13201012031231321 |
5 | 113012244014240 |
6 | 3412531340225 |
7 | 404006235230 |
oct | 74106155571 |
9 | 22744804208 |
10 | 8071469945 |
11 | 3472152920 |
12 | 1693151675 |
13 | 9b82a7a26 |
14 | 567d8db17 |
15 | 3239169b5 |
hex | 1e118db79 |
8071469945 has 16 divisors (see below), whose sum is σ = 12075758208. Its totient is φ = 5031565440.
The previous prime is 8071469927. The next prime is 8071469951. The reversal of 8071469945 is 5499641708.
It is a de Polignac number, because none of the positive numbers 2k-8071469945 is a prime.
It is a Duffinian number.
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, 10482044 + ... + 10482813.
It is an arithmetic number, because the mean of its divisors is an integer number (754734888).
Almost surely, 28071469945 is an apocalyptic number.
It is an amenable number.
8071469945 is a deficient number, since it is larger than the sum of its proper divisors (4004288263).
8071469945 is a wasteful number, since it uses less digits than its factorization.
8071469945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20964880.
The product of its (nonzero) digits is 2177280, while the sum is 53.
The square root of 8071469945 is about 89841.3598795121. The cubic root of 8071469945 is about 2005.9381803080.
The spelling of 8071469945 in words is "eight billion, seventy-one million, four hundred sixty-nine thousand, nine hundred forty-five".
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