Base | Representation |
---|---|
bin | 101110001100… |
… | …011000111010 |
3 | 211210012221012 |
4 | 232030120322 |
5 | 11044444440 |
6 | 1111313522 |
7 | 204633200 |
oct | 56143072 |
9 | 24705835 |
10 | 12109370 |
11 | 6920a49 |
12 | 407b8a2 |
13 | 267ca10 |
14 | 1873070 |
15 | 10e2e65 |
hex | b8c63a |
12109370 has 48 divisors (see below), whose sum is σ = 27320328. Its totient is φ = 3830400.
The previous prime is 12109369. The next prime is 12109381. The reversal of 12109370 is 7390121.
12109370 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 4618201 + 7491169 = 2149^2 + 2737^2 .
12109370 is strictly pandigital in base 8.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5420 + ... + 7320.
Almost surely, 212109370 is an apocalyptic number.
12109370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12109370 is an abundant number, since it is smaller than the sum of its proper divisors (15210958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12109370 is a wasteful number, since it uses less digits than its factorization.
12109370 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1935 (or 1928 counting only the distinct ones).
The product of its (nonzero) digits is 378, while the sum is 23.
The square root of 12109370 is about 3479.8520083475. The cubic root of 12109370 is about 229.6362871459.
Adding to 12109370 its reverse (7390121), we get a palindrome (19499491).
The spelling of 12109370 in words is "twelve million, one hundred nine thousand, three hundred seventy".
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