Base | Representation |
---|---|
bin | 101101110010… |
… | …001101010010 |
3 | 211120202211100 |
4 | 231302031102 |
5 | 11033032010 |
6 | 1105125230 |
7 | 204005430 |
oct | 55621522 |
9 | 24522740 |
10 | 12002130 |
11 | 6858418 |
12 | 4029816 |
13 | 2642c6a |
14 | 1845d50 |
15 | 10c12c0 |
hex | b72352 |
12002130 has 48 divisors (see below), whose sum is σ = 35665344. Its totient is φ = 2743200.
The previous prime is 12002093. The next prime is 12002147. The reversal of 12002130 is 3120021.
It is a happy number.
12002130 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×120021302 = 288102249073800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
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, 8896 + ... + 10155.
It is an arithmetic number, because the mean of its divisors is an integer number (743028).
Almost surely, 212002130 is an apocalyptic number.
12002130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12002130 is an abundant number, since it is smaller than the sum of its proper divisors (23663214).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12002130 is a wasteful number, since it uses less digits than its factorization.
12002130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19071 (or 19068 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 12002130 is about 3464.4090405147. The cubic root of 12002130 is about 228.9563934945.
Adding to 12002130 its reverse (3120021), we get a palindrome (15122151).
The spelling of 12002130 in words is "twelve million, two thousand, one hundred thirty".
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