Base | Representation |
---|---|
bin | 1101011100100101000… |
… | …1010000101111011011 |
3 | 211002021111002112000221 |
4 | 3113021101100233123 |
5 | 12241102030341443 |
6 | 254042522140511 |
7 | 22455433463422 |
oct | 3271121205733 |
9 | 732244075027 |
10 | 231010012123 |
11 | 89a751472a0 |
12 | 38930951737 |
13 | 18a26a18687 |
14 | b2767222b9 |
15 | 6020aaaeed |
hex | 35c9450bdb |
231010012123 has 8 divisors (see below), whose sum is σ = 260700954480. Its totient is φ = 202767408480.
The previous prime is 231010012111. The next prime is 231010012169. The reversal of 231010012123 is 321210010132.
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 231010012123 - 217 = 231009881051 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 231010012097 and 231010012106.
It is not an unprimeable number, because it can be changed into a prime (231010012523) 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, 362084340 + ... + 362084977.
It is an arithmetic number, because the mean of its divisors is an integer number (32587619310).
Almost surely, 2231010012123 is an apocalyptic number.
231010012123 is a deficient number, since it is larger than the sum of its proper divisors (29690942357).
231010012123 is a wasteful number, since it uses less digits than its factorization.
231010012123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 724169357.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 231010012123 its reverse (321210010132), we get a palindrome (552220022255).
The spelling of 231010012123 in words is "two hundred thirty-one billion, ten million, twelve thousand, one hundred twenty-three".
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