Base | Representation |
---|---|
bin | 1111100001101… |
… | …00111000110111 |
3 | 100002001212202202 |
4 | 13300310320313 |
5 | 231320140210 |
6 | 20531255115 |
7 | 3141010421 |
oct | 760647067 |
9 | 302055682 |
10 | 130240055 |
11 | 67576310 |
12 | 3774a49b |
13 | 20ca0b2a |
14 | 13423811 |
15 | b6799a5 |
hex | 7c34e37 |
130240055 has 16 divisors (see below), whose sum is σ = 174127104. Its totient is φ = 92702880.
The previous prime is 130240051. The next prime is 130240087. The reversal of 130240055 is 550042031.
It is not a de Polignac number, because 130240055 - 22 = 130240051 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130240051) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22607 + ... + 27776.
It is an arithmetic number, because the mean of its divisors is an integer number (10882944).
Almost surely, 2130240055 is an apocalyptic number.
130240055 is a deficient number, since it is larger than the sum of its proper divisors (43887049).
130240055 is a wasteful number, since it uses less digits than its factorization.
130240055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50446.
The product of its (nonzero) digits is 600, while the sum is 20.
The square root of 130240055 is about 11412.2765038357. The cubic root of 130240055 is about 506.8913229737.
Adding to 130240055 its reverse (550042031), we get a palindrome (680282086).
The spelling of 130240055 in words is "one hundred thirty million, two hundred forty thousand, fifty-five".
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