Base | Representation |
---|---|
bin | 110100100001100000100100… |
… | …010011011101101010111111 |
3 | 1010021220111021221021210121100 |
4 | 310201200210103131222333 |
5 | 220234210303303130421 |
6 | 2135144242033504143 |
7 | 66441165230506035 |
oct | 6441404423355277 |
9 | 1107814257253540 |
10 | 231001130130111 |
11 | 67671035853820 |
12 | 21aa9697112053 |
13 | 9bb840bb668b3 |
14 | 410872b55a555 |
15 | 1ba8d09917c26 |
hex | d218244ddabf |
231001130130111 has 48 divisors (see below), whose sum is σ = 364608073683360. Its totient is φ = 139767511080960.
The previous prime is 231001130130079. The next prime is 231001130130187. The reversal of 231001130130111 is 111031031100132.
231001130130111 is a `hidden beast` number, since 2 + 310 + 0 + 11 + 30 + 1 + 301 + 11 = 666.
231001130130111 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 231001130130111 - 25 = 231001130130079 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231001130130191) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2678013495 + ... + 2678099751.
It is an arithmetic number, because the mean of its divisors is an integer number (7596001535070).
Almost surely, 2231001130130111 is an apocalyptic number.
231001130130111 is a deficient number, since it is larger than the sum of its proper divisors (133606943553249).
231001130130111 is a wasteful number, since it uses less digits than its factorization.
231001130130111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131016 (or 131013 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 18.
Adding to 231001130130111 its reverse (111031031100132), we get a palindrome (342032161230243).
The spelling of 231001130130111 in words is "two hundred thirty-one trillion, one billion, one hundred thirty million, one hundred thirty thousand, one hundred eleven".
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