Base | Representation |
---|---|
bin | 1111100110111… |
… | …00110111101111 |
3 | 100010100211121022 |
4 | 13303130313233 |
5 | 232004144421 |
6 | 20554124355 |
7 | 3146604416 |
oct | 763346757 |
9 | 303324538 |
10 | 130928111 |
11 | 679a6256 |
12 | 37a206bb |
13 | 21182072 |
14 | 1356247d |
15 | b7637ab |
hex | 7cdcdef |
130928111 has 2 divisors, whose sum is σ = 130928112. Its totient is φ = 130928110.
The previous prime is 130928087. The next prime is 130928113. The reversal of 130928111 is 111829031.
It is a strong prime.
It is an emirp because it is prime and its reverse (111829031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 130928111 - 222 = 126733807 is a prime.
Together with 130928113, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130928113) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65464055 + 65464056.
It is an arithmetic number, because the mean of its divisors is an integer number (65464056).
Almost surely, 2130928111 is an apocalyptic number.
130928111 is a deficient number, since it is larger than the sum of its proper divisors (1).
130928111 is an equidigital number, since it uses as much as digits as its factorization.
130928111 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 432, while the sum is 26.
The square root of 130928111 is about 11442.3822257430. The cubic root of 130928111 is about 507.7823884018.
The spelling of 130928111 in words is "one hundred thirty million, nine hundred twenty-eight thousand, one hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •