Base | Representation |
---|---|
bin | 1111100110010… |
… | …10110011001011 |
3 | 100010020002001211 |
4 | 13303022303023 |
5 | 231444312331 |
6 | 20552353551 |
7 | 3146145544 |
oct | 763126313 |
9 | 303202054 |
10 | 130854091 |
11 | 67955685 |
12 | 379a58b7 |
13 | 21157474 |
14 | 135434cb |
15 | b74b8b1 |
hex | 7ccaccb |
130854091 has 2 divisors, whose sum is σ = 130854092. Its totient is φ = 130854090.
The previous prime is 130854079. The next prime is 130854103. The reversal of 130854091 is 190458031.
It is a balanced prime because it is at equal distance from previous prime (130854079) and next prime (130854103).
It is an emirp because it is prime and its reverse (190458031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 130854091 - 215 = 130821323 is a prime.
It is not a weakly prime, because it can be changed into another prime (130854071) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65427045 + 65427046.
It is an arithmetic number, because the mean of its divisors is an integer number (65427046).
Almost surely, 2130854091 is an apocalyptic number.
130854091 is a deficient number, since it is larger than the sum of its proper divisors (1).
130854091 is an equidigital number, since it uses as much as digits as its factorization.
130854091 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4320, while the sum is 31.
The square root of 130854091 is about 11439.1473021375. The cubic root of 130854091 is about 507.6866790404.
The spelling of 130854091 in words is "one hundred thirty million, eight hundred fifty-four thousand, ninety-one".
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