Base | Representation |
---|---|
bin | 1110101010100… |
… | …10001100111100 |
3 | 22120111001211201 |
4 | 13111102030330 |
5 | 222443120332 |
6 | 20112425244 |
7 | 3022440106 |
oct | 725221474 |
9 | 276431751 |
10 | 123020092 |
11 | 634948a8 |
12 | 35248224 |
13 | 1c643770 |
14 | 124a4576 |
15 | ac005e7 |
hex | 755233c |
123020092 has 48 divisors (see below), whose sum is σ = 246818880. Its totient is φ = 53148672.
The previous prime is 123020087. The next prime is 123020099. The reversal of 123020092 is 290020321.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123020099) 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, 280009 + ... + 280447.
It is an arithmetic number, because the mean of its divisors is an integer number (5142060).
Almost surely, 2123020092 is an apocalyptic number.
It is an amenable number.
123020092 is an abundant number, since it is smaller than the sum of its proper divisors (123798788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123020092 is a wasteful number, since it uses less digits than its factorization.
123020092 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 790 (or 788 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
The square root of 123020092 is about 11091.4422867362. The cubic root of 123020092 is about 497.3460608038.
The spelling of 123020092 in words is "one hundred twenty-three million, twenty thousand, ninety-two".
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