Base | Representation |
---|---|
bin | 1101011010111111000… |
… | …0011111110010000011 |
3 | 211001011122200212121020 |
4 | 3112233300133302003 |
5 | 12234212442230304 |
6 | 253532232200523 |
7 | 22442015412141 |
oct | 3265760376203 |
9 | 731148625536 |
10 | 230581992579 |
11 | 89875583934 |
12 | 38831539143 |
13 | 18989146683 |
14 | b235946591 |
15 | 5ee82105d9 |
hex | 35afc1fc83 |
230581992579 has 4 divisors (see below), whose sum is σ = 307442656776. Its totient is φ = 153721328384.
The previous prime is 230581992569. The next prime is 230581992587. The reversal of 230581992579 is 975299185032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 230581992579 - 25 = 230581992547 is a prime.
It is a super-2 number, since 2×2305819925792 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (230581992569) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38430332094 + ... + 38430332099.
It is an arithmetic number, because the mean of its divisors is an integer number (76860664194).
Almost surely, 2230581992579 is an apocalyptic number.
230581992579 is a deficient number, since it is larger than the sum of its proper divisors (76860664197).
230581992579 is an equidigital number, since it uses as much as digits as its factorization.
230581992579 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76860664196.
The product of its (nonzero) digits is 12247200, while the sum is 60.
The spelling of 230581992579 in words is "two hundred thirty billion, five hundred eighty-one million, nine hundred ninety-two thousand, five hundred seventy-nine".
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