Base | Representation |
---|---|
bin | 1101011101011011111… |
… | …1000001011110101011 |
3 | 211002212112001210210012 |
4 | 3113112333001132223 |
5 | 12242034432041133 |
6 | 254121422042135 |
7 | 22464226343603 |
oct | 3272677013653 |
9 | 732775053705 |
10 | 231240112043 |
11 | 8a083018816 |
12 | 38995a1934b |
13 | 18a625b1285 |
14 | b2990dbc03 |
15 | 6035dadb48 |
hex | 35d6fc17ab |
231240112043 has 8 divisors (see below), whose sum is σ = 246930487680. Its totient is φ = 216064175040.
The previous prime is 231240112039. The next prime is 231240112063. The reversal of 231240112043 is 340211042132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 231240112043 - 22 = 231240112039 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231240112003) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128608730 + ... + 128610527.
It is an arithmetic number, because the mean of its divisors is an integer number (30866310960).
Almost surely, 2231240112043 is an apocalyptic number.
231240112043 is a deficient number, since it is larger than the sum of its proper divisors (15690375637).
231240112043 is a wasteful number, since it uses less digits than its factorization.
231240112043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 257219317.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 231240112043 its reverse (340211042132), we get a palindrome (571451154175).
The spelling of 231240112043 in words is "two hundred thirty-one billion, two hundred forty million, one hundred twelve thousand, forty-three".
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