Base | Representation |
---|---|
bin | 110000001001… |
… | …110100011010 |
3 | 212202022200100 |
4 | 300021310122 |
5 | 11212420010 |
6 | 1130320230 |
7 | 212203062 |
oct | 60116432 |
9 | 25668610 |
10 | 12623130 |
11 | 7141a43 |
12 | 4289076 |
13 | 27cc810 |
14 | 19683a2 |
15 | 11952c0 |
hex | c09d1a |
12623130 has 48 divisors (see below), whose sum is σ = 35348040. Its totient is φ = 3106944.
The previous prime is 12623089. The next prime is 12623189. The reversal of 12623130 is 3132621.
12623130 is a `hidden beast` number, since 12 + 623 + 1 + 30 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 7601049 + 5022081 = 2757^2 + 2241^2 .
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 23 ways as a sum of consecutive naturals, for example, 4225 + ... + 6564.
Almost surely, 212623130 is an apocalyptic number.
12623130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12623130 is an abundant number, since it is smaller than the sum of its proper divisors (22724910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12623130 is a wasteful number, since it uses less digits than its factorization.
12623130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10815 (or 10812 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 12623130 is about 3552.9044456613. The cubic root of 12623130 is about 232.8389783106.
Adding to 12623130 its reverse (3132621), we get a palindrome (15755751).
The spelling of 12623130 in words is "twelve million, six hundred twenty-three thousand, one hundred thirty".
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