Base | Representation |
---|---|
bin | 101110000101… |
… | …010011100011 |
3 | 211201202010120 |
4 | 232011103203 |
5 | 11043032410 |
6 | 1110531323 |
7 | 204452460 |
oct | 56052343 |
9 | 24652116 |
10 | 12080355 |
11 | 6901171 |
12 | 4066b43 |
13 | 266c751 |
14 | 1866667 |
15 | 10d9570 |
hex | b854e3 |
12080355 has 32 divisors (see below), whose sum is σ = 22324224. Its totient is φ = 5463936.
The previous prime is 12080347. The next prime is 12080357. The reversal of 12080355 is 55308021.
12080355 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12080355 - 23 = 12080347 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12080357) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10257 + ... + 11373.
It is an arithmetic number, because the mean of its divisors is an integer number (697632).
Almost surely, 212080355 is an apocalyptic number.
12080355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12080355 is a deficient number, since it is larger than the sum of its proper divisors (10243869).
12080355 is a wasteful number, since it uses less digits than its factorization.
12080355 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1235.
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 12080355 is about 3475.6805089076. The cubic root of 12080355 is about 229.4527316134.
Adding to 12080355 its reverse (55308021), we get a palindrome (67388376).
The spelling of 12080355 in words is "twelve million, eighty thousand, three hundred fifty-five".
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