Base | Representation |
---|---|
bin | 101110000011… |
… | …000100010110 |
3 | 211201021120010 |
4 | 232003010112 |
5 | 11042234230 |
6 | 1110421050 |
7 | 204413655 |
oct | 56030426 |
9 | 24637503 |
10 | 12071190 |
11 | 68a529a |
12 | 4061786 |
13 | 2668521 |
14 | 186319c |
15 | 10d69b0 |
hex | b83116 |
12071190 has 32 divisors (see below), whose sum is σ = 30676320. Its totient is φ = 3029504.
The previous prime is 12071167. The next prime is 12071197. The reversal of 12071190 is 9117021.
It is a super-2 number, since 2×120711902 = 291427256032200, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12071197) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11325 + ... + 12344.
It is an arithmetic number, because the mean of its divisors is an integer number (958635).
Almost surely, 212071190 is an apocalyptic number.
12071190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12071190 is an abundant number, since it is smaller than the sum of its proper divisors (18605130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12071190 is a wasteful number, since it uses less digits than its factorization.
12071190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23696.
The product of its (nonzero) digits is 126, while the sum is 21.
The square root of 12071190 is about 3474.3618119016. The cubic root of 12071190 is about 229.3946906502.
The spelling of 12071190 in words is "twelve million, seventy-one thousand, one hundred ninety".
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