Base | Representation |
---|---|
bin | 101110011011… |
… | …000110011110 |
3 | 211220021121001 |
4 | 232123012132 |
5 | 11103412010 |
6 | 1112500514 |
7 | 205303654 |
oct | 56330636 |
9 | 24807531 |
10 | 12169630 |
11 | 6962250 |
12 | 40aa73a |
13 | 26a1285 |
14 | 188add4 |
15 | 1105c3a |
hex | b9b19e |
12169630 has 32 divisors (see below), whose sum is σ = 24040800. Its totient is φ = 4398720.
The previous prime is 12169627. The next prime is 12169631. The reversal of 12169630 is 3696121.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12169631) 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, 34696 + ... + 35044.
It is an arithmetic number, because the mean of its divisors is an integer number (751275).
Almost surely, 212169630 is an apocalyptic number.
12169630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12169630 is a deficient number, since it is larger than the sum of its proper divisors (11871170).
12169630 is a wasteful number, since it uses less digits than its factorization.
12169630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 684.
The product of its (nonzero) digits is 1944, while the sum is 28.
The square root of 12169630 is about 3488.4996775118. The cubic root of 12169630 is about 230.0165709548.
It can be divided in two parts, 121 and 69630, that added together give a triangular number (69751 = T373).
The spelling of 12169630 in words is "twelve million, one hundred sixty-nine thousand, six hundred thirty".
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