Base | Representation |
---|---|
bin | 1101011101110001010… |
… | …1111110000000101110 |
3 | 211010002210020021000210 |
4 | 3113130111332000232 |
5 | 12242230440410410 |
6 | 254134353003250 |
7 | 22466400445311 |
oct | 3273425760056 |
9 | 733083207023 |
10 | 231330013230 |
11 | 8a119841918 |
12 | 389bbb53526 |
13 | 18a780ca244 |
14 | b2a7020978 |
15 | 603dc1b220 |
hex | 35dc57e02e |
231330013230 has 32 divisors (see below), whose sum is σ = 555520087584. Its totient is φ = 61651552896.
The previous prime is 231330013223. The next prime is 231330013259. The reversal of 231330013230 is 32310033132.
It is a super-3 number, since 3×2313300132303 (a number of 35 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 231330013197 and 231330013206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2226529 + ... + 2328108.
It is an arithmetic number, because the mean of its divisors is an integer number (17360002737).
Almost surely, 2231330013230 is an apocalyptic number.
231330013230 is an abundant number, since it is smaller than the sum of its proper divisors (324190074354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231330013230 is a wasteful number, since it uses less digits than its factorization.
231330013230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4556340.
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 231330013230 its reverse (32310033132), we get a palindrome (263640046362).
The spelling of 231330013230 in words is "two hundred thirty-one billion, three hundred thirty million, thirteen thousand, two hundred thirty".
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