Base | Representation |
---|---|
bin | 1110101010100… |
… | …00011111110110 |
3 | 22120110201021010 |
4 | 13111100133312 |
5 | 222442404420 |
6 | 20112333050 |
7 | 3022410543 |
oct | 725203766 |
9 | 276421233 |
10 | 123013110 |
11 | 6348a630 |
12 | 35244186 |
13 | 1c64052c |
14 | 124a1bca |
15 | abed4e0 |
hex | 75507f6 |
123013110 has 64 divisors (see below), whose sum is σ = 329598720. Its totient is φ = 29124480.
The previous prime is 123013091. The next prime is 123013127. The reversal of 123013110 is 11310321.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9856 + ... + 18524.
It is an arithmetic number, because the mean of its divisors is an integer number (5149980).
Almost surely, 2123013110 is an apocalyptic number.
123013110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 123013110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164799360).
123013110 is an abundant number, since it is smaller than the sum of its proper divisors (206585610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123013110 is a wasteful number, since it uses less digits than its factorization.
123013110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8733.
The product of its (nonzero) digits is 18, while the sum is 12.
The square root of 123013110 is about 11091.1275351066. The cubic root of 123013110 is about 497.3366516744.
Adding to 123013110 its reverse (11310321), we get a palindrome (134323431).
The spelling of 123013110 in words is "one hundred twenty-three million, thirteen thousand, one hundred ten".
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