Base | Representation |
---|---|
bin | 1110101010111… |
… | …10111001110101 |
3 | 22120120201012120 |
4 | 13111132321311 |
5 | 223001301432 |
6 | 20113510153 |
7 | 3023044560 |
oct | 725367165 |
9 | 276521176 |
10 | 123072117 |
11 | 6351a9a3 |
12 | 35272359 |
13 | 1c66134c |
14 | 124b94d7 |
15 | ac10c2c |
hex | 755ee75 |
123072117 has 8 divisors (see below), whose sum is σ = 187538496. Its totient is φ = 70326912.
The previous prime is 123072109. The next prime is 123072121. The reversal of 123072117 is 711270321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 123072117 - 23 = 123072109 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123072127) 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, 2930268 + ... + 2930309.
It is an arithmetic number, because the mean of its divisors is an integer number (23442312).
Almost surely, 2123072117 is an apocalyptic number.
It is an amenable number.
123072117 is a deficient number, since it is larger than the sum of its proper divisors (64466379).
123072117 is an equidigital number, since it uses as much as digits as its factorization.
123072117 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5860587.
The product of its (nonzero) digits is 588, while the sum is 24.
The square root of 123072117 is about 11093.7873154302. The cubic root of 123072117 is about 497.4161598742.
The spelling of 123072117 in words is "one hundred twenty-three million, seventy-two thousand, one hundred seventeen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 5.089 sec. • engine limits •