Base | Representation |
---|---|
bin | 101110011000… |
… | …100001101000 |
3 | 211212202010022 |
4 | 232120201220 |
5 | 11103042310 |
6 | 1112340012 |
7 | 205231133 |
oct | 56304150 |
9 | 24782108 |
10 | 12159080 |
11 | 695532a |
12 | 40a4608 |
13 | 269952b |
14 | 188721a |
15 | 1102a55 |
hex | b98868 |
12159080 has 32 divisors (see below), whose sum is σ = 28968840. Its totient is φ = 4577280.
The previous prime is 12159079. The next prime is 12159109. The reversal of 12159080 is 8095121.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 10484644 + 1674436 = 3238^2 + 1294^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8261 + ... + 9620.
Almost surely, 212159080 is an apocalyptic number.
12159080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12159080 is an abundant number, since it is smaller than the sum of its proper divisors (16809760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12159080 is a wasteful number, since it uses less digits than its factorization.
12159080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17909 (or 17905 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 26.
The square root of 12159080 is about 3486.9872382904. The cubic root of 12159080 is about 229.9500836855.
The spelling of 12159080 in words is "twelve million, one hundred fifty-nine thousand, eighty".
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