Base | Representation |
---|---|
bin | 1111100110000… |
… | …11010111100111 |
3 | 100010011112022120 |
4 | 13303003113213 |
5 | 231442324110 |
6 | 20552001023 |
7 | 3145661034 |
oct | 763032747 |
9 | 303145276 |
10 | 130823655 |
11 | 67934826 |
12 | 37990173 |
13 | 21146661 |
14 | 1353638b |
15 | b742870 |
hex | 7cc35e7 |
130823655 has 16 divisors (see below), whose sum is σ = 218419200. Its totient is φ = 66738848.
The previous prime is 130823647. The next prime is 130823713. The reversal of 130823655 is 556328031.
It is a cyclic number.
It is not a de Polignac number, because 130823655 - 23 = 130823647 is a prime.
It is a super-3 number, since 3×1308236553 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189255 + ... + 189944.
It is an arithmetic number, because the mean of its divisors is an integer number (13651200).
Almost surely, 2130823655 is an apocalyptic number.
130823655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
130823655 is a deficient number, since it is larger than the sum of its proper divisors (87595545).
130823655 is a wasteful number, since it uses less digits than its factorization.
130823655 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 379230.
The product of its (nonzero) digits is 21600, while the sum is 33.
The square root of 130823655 is about 11437.8168808562. The cubic root of 130823655 is about 507.6473142033.
The spelling of 130823655 in words is "one hundred thirty million, eight hundred twenty-three thousand, six hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •