Base | Representation |
---|---|
bin | 1101100011110101… |
… | …01111001001101101 |
3 | 200210100110212022121 |
4 | 12301322233021231 |
5 | 104402130311023 |
6 | 3202214112541 |
7 | 345255254404 |
oct | 66172571155 |
9 | 20710425277 |
10 | 7279932013 |
11 | 30a6371742 |
12 | 14b204b751 |
13 | 8c02c86a3 |
14 | 4d0bc863b |
15 | 2c91b1d5d |
hex | 1b1eaf26d |
7279932013 has 2 divisors, whose sum is σ = 7279932014. Its totient is φ = 7279932012.
The previous prime is 7279931999. The next prime is 7279932017. The reversal of 7279932013 is 3102399727.
7279932013 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7269608644 + 10323369 = 85262^2 + 3213^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-7279932013 is a prime.
It is a super-2 number, since 2×72799320132 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7279932017) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3639966006 + 3639966007.
It is an arithmetic number, because the mean of its divisors is an integer number (3639966007).
Almost surely, 27279932013 is an apocalyptic number.
It is an amenable number.
7279932013 is a deficient number, since it is larger than the sum of its proper divisors (1).
7279932013 is an equidigital number, since it uses as much as digits as its factorization.
7279932013 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 142884, while the sum is 43.
The square root of 7279932013 is about 85322.5176199109. The cubic root of 7279932013 is about 1938.0981834311.
The spelling of 7279932013 in words is "seven billion, two hundred seventy-nine million, nine hundred thirty-two thousand, thirteen".
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