Base | Representation |
---|---|
bin | 11100100010101110… |
… | …010111001111100011 |
3 | 2221002212101200222001 |
4 | 130202232113033203 |
5 | 1000231210201433 |
6 | 22025035024431 |
7 | 2133320115226 |
oct | 344256271743 |
9 | 87085350861 |
10 | 30647350243 |
11 | 11aa76a2934 |
12 | 5b3389b117 |
13 | 2b7552bc93 |
14 | 16aa3d95bd |
15 | be589b57d |
hex | 722b973e3 |
30647350243 has 2 divisors, whose sum is σ = 30647350244. Its totient is φ = 30647350242.
The previous prime is 30647350229. The next prime is 30647350267. The reversal of 30647350243 is 34205374603.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30647350243 - 213 = 30647342051 is a prime.
It is a super-2 number, since 2×306473502432 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (30647350843) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15323675121 + 15323675122.
It is an arithmetic number, because the mean of its divisors is an integer number (15323675122).
Almost surely, 230647350243 is an apocalyptic number.
30647350243 is a deficient number, since it is larger than the sum of its proper divisors (1).
30647350243 is an equidigital number, since it uses as much as digits as its factorization.
30647350243 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 181440, while the sum is 37.
The spelling of 30647350243 in words is "thirty billion, six hundred forty-seven million, three hundred fifty thousand, two hundred forty-three".
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