Base | Representation |
---|---|
bin | 1111100111111… |
… | …11001011110011 |
3 | 100010121222101210 |
4 | 13303333023303 |
5 | 232023144114 |
6 | 21001131203 |
7 | 3151031241 |
oct | 763771363 |
9 | 303558353 |
10 | 131068659 |
11 | 67a91907 |
12 | 37a89b03 |
13 | 21201027 |
14 | 1359b791 |
15 | b790259 |
hex | 7cff2f3 |
131068659 has 4 divisors (see below), whose sum is σ = 174758216. Its totient is φ = 87379104.
The previous prime is 131068607. The next prime is 131068681. The reversal of 131068659 is 956860131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 956860131 = 3 ⋅318953377.
It is not a de Polignac number, because 131068659 - 219 = 130544371 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131068159) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21844774 + ... + 21844779.
It is an arithmetic number, because the mean of its divisors is an integer number (43689554).
Almost surely, 2131068659 is an apocalyptic number.
131068659 is a deficient number, since it is larger than the sum of its proper divisors (43689557).
131068659 is an equidigital number, since it uses as much as digits as its factorization.
131068659 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43689556.
The product of its (nonzero) digits is 38880, while the sum is 39.
The square root of 131068659 is about 11448.5221316989. The cubic root of 131068659 is about 507.9640205882.
The spelling of 131068659 in words is "one hundred thirty-one million, sixty-eight thousand, six hundred fifty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •