Base | Representation |
---|---|
bin | 101110100100… |
… | …111111010010 |
3 | 211222100011001 |
4 | 232210333102 |
5 | 11111211010 |
6 | 1113412214 |
7 | 205533022 |
oct | 56447722 |
9 | 24870131 |
10 | 12210130 |
11 | 698a719 |
12 | 410a06a |
13 | 26b683a |
14 | 189ba82 |
15 | 1112c3a |
hex | ba4fd2 |
12210130 has 32 divisors (see below), whose sum is σ = 22788864. Its totient is φ = 4707456.
The previous prime is 12210119. The next prime is 12210137. The reversal of 12210130 is 3101221.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (12210137) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38854 + ... + 39166.
It is an arithmetic number, because the mean of its divisors is an integer number (712152).
Almost surely, 212210130 is an apocalyptic number.
12210130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12210130 is a deficient number, since it is larger than the sum of its proper divisors (10578734).
12210130 is a wasteful number, since it uses less digits than its factorization.
12210130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 450.
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 12210130 is about 3494.2996437054. The cubic root of 12210130 is about 230.2714501400.
Adding to 12210130 its reverse (3101221), we get a palindrome (15311351).
The spelling of 12210130 in words is "twelve million, two hundred ten thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •