Base | Representation |
---|---|
bin | 1111100001101… |
… | …01110010101011 |
3 | 100002002001211210 |
4 | 13300311302223 |
5 | 231320300010 |
6 | 20531324203 |
7 | 3141024255 |
oct | 760656253 |
9 | 302061753 |
10 | 130243755 |
11 | 67579074 |
12 | 37750663 |
13 | 20ca2715 |
14 | 13424cd5 |
15 | b67ab20 |
hex | 7c35cab |
130243755 has 16 divisors (see below), whose sum is σ = 208560384. Its totient is φ = 69406560.
The previous prime is 130243643. The next prime is 130243769. The reversal of 130243755 is 557342031.
It is not a de Polignac number, because 130243755 - 213 = 130235563 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20802 + ... + 26328.
It is an arithmetic number, because the mean of its divisors is an integer number (13035024).
Almost surely, 2130243755 is an apocalyptic number.
130243755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
130243755 is a deficient number, since it is larger than the sum of its proper divisors (78316629).
130243755 is a wasteful number, since it uses less digits than its factorization.
130243755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7106.
The product of its (nonzero) digits is 12600, while the sum is 30.
The square root of 130243755 is about 11412.4386088163. The cubic root of 130243755 is about 506.8961230335.
Adding to 130243755 its reverse (557342031), we get a palindrome (687585786).
The spelling of 130243755 in words is "one hundred thirty million, two hundred forty-three thousand, seven hundred fifty-five".
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