Base | Representation |
---|---|
bin | 1111100110100… |
… | …11101000000111 |
3 | 100010021220122221 |
4 | 13303103220013 |
5 | 232001441442 |
6 | 20553233211 |
7 | 3146356135 |
oct | 763235007 |
9 | 303256587 |
10 | 130890247 |
11 | 6797a864 |
12 | 37a02807 |
13 | 2116aa67 |
14 | 13552755 |
15 | b757467 |
hex | 7cd3a07 |
130890247 has 2 divisors, whose sum is σ = 130890248. Its totient is φ = 130890246.
The previous prime is 130890239. The next prime is 130890257. The reversal of 130890247 is 742098031.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 130890247 - 23 = 130890239 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130890257) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65445123 + 65445124.
It is an arithmetic number, because the mean of its divisors is an integer number (65445124).
Almost surely, 2130890247 is an apocalyptic number.
130890247 is a deficient number, since it is larger than the sum of its proper divisors (1).
130890247 is an equidigital number, since it uses as much as digits as its factorization.
130890247 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 130890247 is about 11440.7275555360. The cubic root of 130890247 is about 507.7334339898.
The spelling of 130890247 in words is "one hundred thirty million, eight hundred ninety thousand, two hundred forty-seven".
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