Base | Representation |
---|---|
bin | 1101011101000100100… |
… | …1111010100110001101 |
3 | 211002121201000122120022 |
4 | 3113101021322212031 |
5 | 12241334412213031 |
6 | 254104005431525 |
7 | 22461631111430 |
oct | 3272111724615 |
9 | 732551018508 |
10 | 231142304141 |
11 | 8a032894241 |
12 | 3896910b5a5 |
13 | 18a48257488 |
14 | b28a11b817 |
15 | 602c4dd97b |
hex | 35d127a98d |
231142304141 has 8 divisors (see below), whose sum is σ = 264195557760. Its totient is φ = 198097281648.
The previous prime is 231142304117. The next prime is 231142304147. The reversal of 231142304141 is 141403241132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-231142304141 is a prime.
It is a super-2 number, since 2×2311423041412 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 231142304141.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231142304147) 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, 1997486 + ... + 2110031.
It is an arithmetic number, because the mean of its divisors is an integer number (33024444720).
Almost surely, 2231142304141 is an apocalyptic number.
It is an amenable number.
231142304141 is a deficient number, since it is larger than the sum of its proper divisors (33053253619).
231142304141 is an equidigital number, since it uses as much as digits as its factorization.
231142304141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4115563.
The product of its (nonzero) digits is 2304, while the sum is 26.
Adding to 231142304141 its reverse (141403241132), we get a palindrome (372545545273).
The spelling of 231142304141 in words is "two hundred thirty-one billion, one hundred forty-two million, three hundred four thousand, one hundred forty-one".
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