Base | Representation |
---|---|
bin | 101110011000… |
… | …100000011111 |
3 | 211212202000121 |
4 | 232120200133 |
5 | 11103042012 |
6 | 1112335411 |
7 | 205231000 |
oct | 56304037 |
9 | 24782017 |
10 | 12159007 |
11 | 6955273 |
12 | 40a4567 |
13 | 26994a3 |
14 | 18871a7 |
15 | 1102a07 |
hex | b9881f |
12159007 has 8 divisors (see below), whose sum is σ = 14180000. Its totient is φ = 10421712.
The previous prime is 12158999. The next prime is 12159011. The reversal of 12159007 is 70095121.
12159007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12159007 - 23 = 12158999 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12159307) 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, 17382 + ... + 18067.
It is an arithmetic number, because the mean of its divisors is an integer number (1772500).
Almost surely, 212159007 is an apocalyptic number.
12159007 is a deficient number, since it is larger than the sum of its proper divisors (2020993).
12159007 is an frugal number, since it uses more digits than its factorization.
12159007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35470 (or 35456 counting only the distinct ones).
The product of its (nonzero) digits is 630, while the sum is 25.
The square root of 12159007 is about 3486.9767707858. The cubic root of 12159007 is about 229.9496234975.
The spelling of 12159007 in words is "twelve million, one hundred fifty-nine thousand, seven".
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