Base | Representation |
---|---|
bin | 111100101001001100… |
… | …0100111100100001101 |
3 | 110110011000222122000222 |
4 | 1321102120213210031 |
5 | 4113203142012414 |
6 | 135454414401125 |
7 | 12260151653546 |
oct | 1712230474415 |
9 | 413130878028 |
10 | 130231204109 |
11 | 5025a135206 |
12 | 212a62001a5 |
13 | c385a65bb6 |
14 | 64360914cd |
15 | 35c32d368e |
hex | 1e5262790d |
130231204109 has 2 divisors, whose sum is σ = 130231204110. Its totient is φ = 130231204108.
The previous prime is 130231204093. The next prime is 130231204193. The reversal of 130231204109 is 901402132031.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 121280152009 + 8951052100 = 348253^2 + 94610^2 .
It is a cyclic number.
It is not a de Polignac number, because 130231204109 - 24 = 130231204093 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130231234109) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65115602054 + 65115602055.
It is an arithmetic number, because the mean of its divisors is an integer number (65115602055).
Almost surely, 2130231204109 is an apocalyptic number.
It is an amenable number.
130231204109 is a deficient number, since it is larger than the sum of its proper divisors (1).
130231204109 is an equidigital number, since it uses as much as digits as its factorization.
130231204109 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1296, while the sum is 26.
The spelling of 130231204109 in words is "one hundred thirty billion, two hundred thirty-one million, two hundred four thousand, one hundred nine".
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