Base | Representation |
---|---|
bin | 1110101010100… |
… | …10101100110010 |
3 | 22120111011122012 |
4 | 13111102230302 |
5 | 222443202010 |
6 | 20112442522 |
7 | 3022446050 |
oct | 725225462 |
9 | 276434565 |
10 | 123022130 |
11 | 63496390 |
12 | 35249442 |
13 | 1c64467a |
14 | 124a51d0 |
15 | ac01005 |
hex | 7552b32 |
123022130 has 32 divisors (see below), whose sum is σ = 276082560. Its totient is φ = 38344320.
The previous prime is 123022127. The next prime is 123022153. The reversal of 123022130 is 31220321.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79115 + ... + 80654.
It is an arithmetic number, because the mean of its divisors is an integer number (8627580).
Almost surely, 2123022130 is an apocalyptic number.
123022130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
123022130 is an abundant number, since it is smaller than the sum of its proper divisors (153060430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123022130 is a wasteful number, since it uses less digits than its factorization.
123022130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159794.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 123022130 is about 11091.5341589881. The cubic root of 123022130 is about 497.3488071998.
Adding to 123022130 its reverse (31220321), we get a palindrome (154242451).
The spelling of 123022130 in words is "one hundred twenty-three million, twenty-two thousand, one hundred thirty".
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