Base | Representation |
---|---|
bin | 10010110110101001… |
… | …10010110001110000 |
3 | 222010102112120110012 |
4 | 21123110302301300 |
5 | 131212230041422 |
6 | 4352223554052 |
7 | 505556350640 |
oct | 113324626160 |
9 | 28112476405 |
10 | 10122112112 |
11 | 4324739712 |
12 | 1b65a5b928 |
13 | c540a3868 |
14 | 6c046c520 |
15 | 3e397e4e2 |
hex | 25b532c70 |
10122112112 has 20 divisors (see below), whose sum is σ = 22413248496. Its totient is φ = 4338048000.
The previous prime is 10122112111. The next prime is 10122112123. The reversal of 10122112112 is 21121122101.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10122112111) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45187889 + ... + 45188112.
Almost surely, 210122112112 is an apocalyptic number.
It is an amenable number.
10122112112 is an abundant number, since it is smaller than the sum of its proper divisors (12291136384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10122112112 is an equidigital number, since it uses as much as digits as its factorization.
10122112112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90376016 (or 90376010 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 10122112112 its reverse (21121122101), we get a palindrome (31243234213).
The spelling of 10122112112 in words is "ten billion, one hundred twenty-two million, one hundred twelve thousand, one hundred twelve".
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