Base | Representation |
---|---|
bin | 101101110011… |
… | …101011001001 |
3 | 211121002001211 |
4 | 231303223021 |
5 | 11033230022 |
6 | 1105213121 |
7 | 204032101 |
oct | 55635311 |
9 | 24532054 |
10 | 12008137 |
11 | 6861989 |
12 | 40311a1 |
13 | 264590b |
14 | 1848201 |
15 | 10c2e77 |
hex | b73ac9 |
12008137 has 8 divisors (see below), whose sum is σ = 13010976. Its totient is φ = 11038272.
The previous prime is 12008131. The next prime is 12008141. The reversal of 12008137 is 73180021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-12008137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12008131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7483 + ... + 8944.
It is an arithmetic number, because the mean of its divisors is an integer number (1626372).
Almost surely, 212008137 is an apocalyptic number.
12008137 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
It is an amenable number.
12008137 is a deficient number, since it is larger than the sum of its proper divisors (1002839).
12008137 is a wasteful number, since it uses less digits than its factorization.
12008137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16487.
The product of its (nonzero) digits is 336, while the sum is 22.
The square root of 12008137 is about 3465.2758908924. The cubic root of 12008137 is about 228.9945842620.
Adding to 12008137 its reverse (73180021), we get a palindrome (85188158).
The spelling of 12008137 in words is "twelve million, eight thousand, one hundred thirty-seven".
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