Base | Representation |
---|---|
bin | 1110101011011… |
… | …01000111001010 |
3 | 22120200200001000 |
4 | 13111231013022 |
5 | 223010132224 |
6 | 20115035430 |
7 | 3023406336 |
oct | 725550712 |
9 | 276620030 |
10 | 123130314 |
11 | 6355a69a |
12 | 3529bb76 |
13 | 1c681998 |
14 | 124d27c6 |
15 | ac230c9 |
hex | 756d1ca |
123130314 has 16 divisors (see below), whose sum is σ = 273623040. Its totient is φ = 41043420.
The previous prime is 123130243. The next prime is 123130327. The reversal of 123130314 is 413031321.
It is a super-2 number, since 2×1231303142 = 30322148451477192, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1140042 + ... + 1140149.
It is an arithmetic number, because the mean of its divisors is an integer number (17101440).
Almost surely, 2123130314 is an apocalyptic number.
123130314 is an abundant number, since it is smaller than the sum of its proper divisors (150492726).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123130314 is a wasteful number, since it uses less digits than its factorization.
123130314 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2280202 (or 2280196 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 123130314 is about 11096.4099599826. The cubic root of 123130314 is about 497.4945517614.
Adding to 123130314 its reverse (413031321), we get a palindrome (536161635).
The spelling of 123130314 in words is "one hundred twenty-three million, one hundred thirty thousand, three hundred fourteen".
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