Base | Representation |
---|---|
bin | 1111100100111… |
… | …10010111101111 |
3 | 100002212211102211 |
4 | 13302132113233 |
5 | 231423001421 |
6 | 20544431251 |
7 | 3144460153 |
oct | 762362757 |
9 | 302784384 |
10 | 130672111 |
11 | 67840989 |
12 | 37918527 |
13 | 210c269b |
14 | 134d7063 |
15 | b7129e1 |
hex | 7c9e5ef |
130672111 has 2 divisors, whose sum is σ = 130672112. Its totient is φ = 130672110.
The previous prime is 130672109. The next prime is 130672121. The reversal of 130672111 is 111276031.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 130672111 - 21 = 130672109 is a prime.
Together with 130672109, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130672121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65336055 + 65336056.
It is an arithmetic number, because the mean of its divisors is an integer number (65336056).
Almost surely, 2130672111 is an apocalyptic number.
130672111 is a deficient number, since it is larger than the sum of its proper divisors (1).
130672111 is an equidigital number, since it uses as much as digits as its factorization.
130672111 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 252, while the sum is 22.
The square root of 130672111 is about 11431.1902704836. The cubic root of 130672111 is about 507.4512216621.
The spelling of 130672111 in words is "one hundred thirty million, six hundred seventy-two thousand, one hundred eleven".
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