Base | Representation |
---|---|
bin | 111100101001001100… |
… | …1010111011100101010 |
3 | 110110011001100121001212 |
4 | 1321102121113130222 |
5 | 4113203214301414 |
6 | 135454422513122 |
7 | 12260153431415 |
oct | 1712231273452 |
9 | 413131317055 |
10 | 130231400234 |
11 | 5025a2595a1 |
12 | 212a62957a2 |
13 | c385b04250 |
14 | 6436102b7c |
15 | 35c332183e |
hex | 1e5265772a |
130231400234 has 16 divisors (see below), whose sum is σ = 222748730568. Its totient is φ = 56571105792.
The previous prime is 130231400227. The next prime is 130231400261. The reversal of 130231400234 is 432004132031.
It can be written as a sum of positive squares in 4 ways, for example, as 126803649025 + 3427751209 = 356095^2 + 58547^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147320147 + ... + 147321030.
Almost surely, 2130231400234 is an apocalyptic number.
130231400234 is a deficient number, since it is larger than the sum of its proper divisors (92517330334).
130231400234 is a wasteful number, since it uses less digits than its factorization.
130231400234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 294641209.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 130231400234 its reverse (432004132031), we get a palindrome (562235532265).
The spelling of 130231400234 in words is "one hundred thirty billion, two hundred thirty-one million, four hundred thousand, two hundred thirty-four".
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