Base | Representation |
---|---|
bin | 111100101001001100… |
… | …1100001001101101111 |
3 | 110110011001102121221112 |
4 | 1321102121201031233 |
5 | 4113203222041424 |
6 | 135454423422235 |
7 | 12260153656145 |
oct | 1712231411557 |
9 | 413131377845 |
10 | 130231440239 |
11 | 5025a28665a |
12 | 212a62b497b |
13 | c385b19514 |
14 | 6436113595 |
15 | 35c332d60e |
hex | 1e5266136f |
130231440239 has 2 divisors, whose sum is σ = 130231440240. Its totient is φ = 130231440238.
The previous prime is 130231440221. The next prime is 130231440247. The reversal of 130231440239 is 932044132031.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 130231440239 - 236 = 61511963503 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130231440839) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65115720119 + 65115720120.
It is an arithmetic number, because the mean of its divisors is an integer number (65115720120).
Almost surely, 2130231440239 is an apocalyptic number.
130231440239 is a deficient number, since it is larger than the sum of its proper divisors (1).
130231440239 is an equidigital number, since it uses as much as digits as its factorization.
130231440239 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15552, while the sum is 32.
The spelling of 130231440239 in words is "one hundred thirty billion, two hundred thirty-one million, four hundred forty thousand, two hundred thirty-nine".
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