Base | Representation |
---|---|
bin | 11101111010101011… |
… | …111110111001001111 |
3 | 10001220201022122011210 |
4 | 131322223332321033 |
5 | 1011242004334411 |
6 | 22431313545503 |
7 | 2215020011445 |
oct | 357253767117 |
9 | 101821278153 |
10 | 32123121231 |
11 | 12694734483 |
12 | 6285b75293 |
13 | 304c1b9c56 |
14 | 17aa3d2b95 |
15 | c8020bca6 |
hex | 77aafee4f |
32123121231 has 16 divisors (see below), whose sum is σ = 44164745856. Its totient is φ = 20758192416.
The previous prime is 32123121221. The next prime is 32123121241. The reversal of 32123121231 is 13212132123.
It is an interprime number because it is at equal distance from previous prime (32123121221) and next prime (32123121241).
It is not a de Polignac number, because 32123121231 - 26 = 32123121167 is a prime.
It is a super-2 number, since 2×321231212312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 32123121198 and 32123121207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32123121221) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1203865 + ... + 1230258.
It is an arithmetic number, because the mean of its divisors is an integer number (2760296616).
Almost surely, 232123121231 is an apocalyptic number.
32123121231 is a deficient number, since it is larger than the sum of its proper divisors (12041624625).
32123121231 is a wasteful number, since it uses less digits than its factorization.
32123121231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2434262.
The product of its digits is 432, while the sum is 21.
Adding to 32123121231 its reverse (13212132123), we get a palindrome (45335253354).
The spelling of 32123121231 in words is "thirty-two billion, one hundred twenty-three million, one hundred twenty-one thousand, two hundred thirty-one".
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