Base | Representation |
---|---|
bin | 1101011101001101110… |
… | …0100010101001111011 |
3 | 211002201101100110100200 |
4 | 3113103130202221323 |
5 | 12241424232204433 |
6 | 254111501333243 |
7 | 22462605610104 |
oct | 3272334425173 |
9 | 732641313320 |
10 | 231180741243 |
11 | 8a052557641 |
12 | 38979b67223 |
13 | 18a531c481a |
14 | b2912853ab |
15 | 6030a82613 |
hex | 35d3722a7b |
231180741243 has 24 divisors (see below), whose sum is σ = 335741552640. Its totient is φ = 153283665840.
The previous prime is 231180741223. The next prime is 231180741247. The reversal of 231180741243 is 342147081132.
231180741243 is a `hidden beast` number, since 23 + 1 + 180 + 7 + 412 + 43 = 666.
It is not a de Polignac number, because 231180741243 - 224 = 231163964027 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 231180741198 and 231180741207.
It is not an unprimeable number, because it can be changed into a prime (231180741247) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11994148 + ... + 12013406.
It is an arithmetic number, because the mean of its divisors is an integer number (13989231360).
Almost surely, 2231180741243 is an apocalyptic number.
231180741243 is a deficient number, since it is larger than the sum of its proper divisors (104560811397).
231180741243 is a wasteful number, since it uses less digits than its factorization.
231180741243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26439 (or 26436 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The spelling of 231180741243 in words is "two hundred thirty-one billion, one hundred eighty million, seven hundred forty-one thousand, two hundred forty-three".
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