Base | Representation |
---|---|
bin | 10101100111011011… |
… | …100111111111110100 |
3 | 2012220112221211201221 |
4 | 111213123213333310 |
5 | 340013243201234 |
6 | 14355041400124 |
7 | 1451111601463 |
oct | 254733477764 |
9 | 65815854657 |
10 | 23210131444 |
11 | 9930572315 |
12 | 45b9039044 |
13 | 225b782ab6 |
14 | 11a278a9da |
15 | 90c9baeb4 |
hex | 5676e7ff4 |
23210131444 has 12 divisors (see below), whose sum is σ = 40618994724. Its totient is φ = 11604704384.
The previous prime is 23210131429. The next prime is 23210131463. The reversal of 23210131444 is 44413101232.
It can be written as a sum of positive squares in 2 ways, for example, as 9300287844 + 13909843600 = 96438^2 + 117940^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97662 + ... + 236554.
It is an arithmetic number, because the mean of its divisors is an integer number (3384916227).
Almost surely, 223210131444 is an apocalyptic number.
It is an amenable number.
23210131444 is a deficient number, since it is larger than the sum of its proper divisors (17408863280).
23210131444 is a wasteful number, since it uses less digits than its factorization.
23210131444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 180674 (or 180672 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 25.
Adding to 23210131444 its reverse (44413101232), we get a palindrome (67623232676).
The spelling of 23210131444 in words is "twenty-three billion, two hundred ten million, one hundred thirty-one thousand, four hundred forty-four".
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