Base | Representation |
---|---|
bin | 10101011100001010… |
… | …111100101000000000 |
3 | 2012102101110122101120 |
4 | 111130022330220000 |
5 | 334121412210422 |
6 | 14324212232240 |
7 | 1443326025435 |
oct | 253412745000 |
9 | 65371418346 |
10 | 23021210112 |
11 | 984396698a |
12 | 456590b680 |
13 | 222b5a7324 |
14 | 118564db8c |
15 | 8eb0ee45c |
hex | 55c2bca00 |
23021210112 has 40 divisors (see below), whose sum is σ = 61329946656. Its totient is φ = 7673736192.
The previous prime is 23021210087. The next prime is 23021210189. The reversal of 23021210112 is 21101212032.
It is a super-2 number, since 2×230212101122 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23021210091 and 23021210100.
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, 7492348 + ... + 7495419.
Almost surely, 223021210112 is an apocalyptic number.
It is an amenable number.
23021210112 is an abundant number, since it is smaller than the sum of its proper divisors (38308736544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23021210112 is an equidigital number, since it uses as much as digits as its factorization.
23021210112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14987788 (or 14987772 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 23021210112 its reverse (21101212032), we get a palindrome (44122422144).
The spelling of 23021210112 in words is "twenty-three billion, twenty-one million, two hundred ten thousand, one hundred twelve".
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