Base | Representation |
---|---|
bin | 1110101010011… |
… | …01010011001010 |
3 | 22120110001021221 |
4 | 13111031103022 |
5 | 222442000020 |
6 | 20112152254 |
7 | 3022324420 |
oct | 725152312 |
9 | 276401257 |
10 | 123000010 |
11 | 63480801 |
12 | 3523868a |
13 | 1c637593 |
14 | 1249b110 |
15 | abe96aa |
hex | 754d4ca |
123000010 has 16 divisors (see below), whose sum is σ = 253028736. Its totient is φ = 42171408.
The previous prime is 122999999. The next prime is 123000011. The reversal of 123000010 is 10000321.
It is a Harshad number since it is a multiple of its sum of digits (7).
It is a junction number, because it is equal to n+sod(n) for n = 122999957 and 123000002.
It is not an unprimeable number, because it can be changed into a prime (123000011) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 878502 + ... + 878641.
It is an arithmetic number, because the mean of its divisors is an integer number (15814296).
Almost surely, 2123000010 is an apocalyptic number.
123000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
123000010 is an abundant number, since it is smaller than the sum of its proper divisors (130028726).
123000010 is a wasteful number, since it uses less digits than its factorization.
123000010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1757157.
The product of its (nonzero) digits is 6, while the sum is 7.
The square root of 123000010 is about 11090.5369572442. The cubic root of 123000010 is about 497.3189968043.
Adding to 123000010 its reverse (10000321), we get a palindrome (133000331).
The spelling of 123000010 in words is "one hundred twenty-three million, ten", and thus it is an aban number.
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