Base | Representation |
---|---|
bin | 10010101010110110… |
… | …01000100111001000 |
3 | 221212112020210121111 |
4 | 21111123020213020 |
5 | 131011404023422 |
6 | 4334330020104 |
7 | 503245016200 |
oct | 112533104710 |
9 | 27775223544 |
10 | 10023111112 |
11 | 428386a803 |
12 | 1b38877634 |
13 | c3971c9a1 |
14 | 6b125b400 |
15 | 3d9e25a77 |
hex | 2556c89c8 |
10023111112 has 48 divisors (see below), whose sum is σ = 22274162460. Its totient is φ = 4214560896.
The previous prime is 10023111089. The next prime is 10023111121. The reversal of 10023111112 is 21111132001.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 10022812996 + 298116 = 100114^2 + 546^2 .
It is a junction number, because it is equal to n+sod(n) for n = 10023111092 and 10023111101.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220443 + ... + 261994.
Almost surely, 210023111112 is an apocalyptic number.
It is an amenable number.
10023111112 is an abundant number, since it is smaller than the sum of its proper divisors (12251051348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10023111112 is a wasteful number, since it uses less digits than its factorization.
10023111112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 482510 (or 482499 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 13.
Adding to 10023111112 its reverse (21111132001), we get a palindrome (31134243113).
The spelling of 10023111112 in words is "ten billion, twenty-three million, one hundred eleven thousand, one hundred twelve".
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