Base | Representation |
---|---|
bin | 101111000101… |
… | …111100101010 |
3 | 212020012100001 |
4 | 233011330222 |
5 | 11130021010 |
6 | 1120333214 |
7 | 206634430 |
oct | 57057452 |
9 | 25205301 |
10 | 12345130 |
11 | 6a72096 |
12 | 417420a |
13 | 2733115 |
14 | 18d4d50 |
15 | 113cc3a |
hex | bc5f2a |
12345130 has 32 divisors (see below), whose sum is σ = 26219520. Its totient is φ = 4095360.
The previous prime is 12345127. The next prime is 12345143. The reversal of 12345130 is 3154321.
It is a junction number, because it is equal to n+sod(n) for n = 12345098 and 12345107.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 675 + ... + 5014.
It is an arithmetic number, because the mean of its divisors is an integer number (819360).
Almost surely, 212345130 is an apocalyptic number.
12345130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12345130 is an abundant number, since it is smaller than the sum of its proper divisors (13874390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12345130 is a wasteful number, since it uses less digits than its factorization.
12345130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5734.
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 12345130 is about 3513.5637179365. The cubic root of 12345130 is about 231.1169987577.
Adding to 12345130 its reverse (3154321), we get a palindrome (15499451).
The spelling of 12345130 in words is "twelve million, three hundred forty-five thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •