Base | Representation |
---|---|
bin | 110001010110… |
… | …001110010000 |
3 | 220100012222002 |
4 | 301112032100 |
5 | 11302423310 |
6 | 1141133132 |
7 | 214645343 |
oct | 61261620 |
9 | 26305862 |
10 | 12936080 |
11 | 7336083 |
12 | 43ba1a8 |
13 | 28ac0b1 |
14 | 1a0a45a |
15 | 1207da5 |
hex | c56390 |
12936080 has 40 divisors (see below), whose sum is σ = 30393144. Its totient is φ = 5120000.
The previous prime is 12936073. The next prime is 12936101. The reversal of 12936080 is 8063921.
It can be written as a sum of positive squares in 4 ways, for example, as 8952064 + 3984016 = 2992^2 + 1996^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
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, 7280 + ... + 8880.
Almost surely, 212936080 is an apocalyptic number.
12936080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12936080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15196572).
12936080 is an abundant number, since it is smaller than the sum of its proper divisors (17457064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12936080 is a wasteful number, since it uses less digits than its factorization.
12936080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1715 (or 1709 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 29.
The square root of 12936080 is about 3596.6762434225. The cubic root of 12936080 is about 234.7474576906.
The spelling of 12936080 in words is "twelve million, nine hundred thirty-six thousand, eighty".
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