Base | Representation |
---|---|
bin | 1110101110110101… |
… | …11111000110000010 |
3 | 202102012110002102001 |
4 | 13113122333012002 |
5 | 112144220033124 |
6 | 3344452214214 |
7 | 366665414461 |
oct | 72732770602 |
9 | 22365402361 |
10 | 7909142914 |
11 | 3399561152 |
12 | 164890a36a |
13 | 99078102a |
14 | 5505b69d8 |
15 | 31454eb44 |
hex | 1d76bf182 |
7909142914 has 16 divisors (see below), whose sum is σ = 12275191800. Its totient is φ = 3817465344.
The previous prime is 7909142873. The next prime is 7909142987. The reversal of 7909142914 is 4192419097.
It can be written as a sum of positive squares in 4 ways, for example, as 3841892289 + 4067250625 = 61983^2 + 63775^2 .
It is a super-2 number, since 2×79091429142 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396082 + ... + 415570.
Almost surely, 27909142914 is an apocalyptic number.
7909142914 is a deficient number, since it is larger than the sum of its proper divisors (4366048886).
7909142914 is a wasteful number, since it uses less digits than its factorization.
7909142914 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26517.
The product of its (nonzero) digits is 163296, while the sum is 46.
The square root of 7909142914 is about 88933.3622101402. The cubic root of 7909142914 is about 1992.3997307052.
The spelling of 7909142914 in words is "seven billion, nine hundred nine million, one hundred forty-two thousand, nine hundred fourteen".
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