Base | Representation |
---|---|
bin | 101110010001… |
… | …111100101110 |
3 | 211211101011121 |
4 | 232101330232 |
5 | 11101212032 |
6 | 1112011154 |
7 | 205056451 |
oct | 56217456 |
9 | 24741147 |
10 | 12132142 |
11 | 6937070 |
12 | 4090aba |
13 | 268a1a9 |
14 | 187b498 |
15 | 10e9a97 |
hex | b91f2e |
12132142 has 8 divisors (see below), whose sum is σ = 19852632. Its totient is φ = 5514600.
The previous prime is 12132103. The next prime is 12132151. The reversal of 12132142 is 24123121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275709 + ... + 275752.
It is an arithmetic number, because the mean of its divisors is an integer number (2481579).
Almost surely, 212132142 is an apocalyptic number.
12132142 is a deficient number, since it is larger than the sum of its proper divisors (7720490).
12132142 is a wasteful number, since it uses less digits than its factorization.
12132142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 551474.
The product of its digits is 96, while the sum is 16.
The square root of 12132142 is about 3483.1224497568. The cubic root of 12132142 is about 229.7801427723.
Adding to 12132142 its reverse (24123121), we get a palindrome (36255263).
The spelling of 12132142 in words is "twelve million, one hundred thirty-two thousand, one hundred forty-two".
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