Search a number
-
+
12188093 = 103241491
BaseRepresentation
bin101110011111…
…100110111101
3211221012220212
4232133212331
511110004333
61113122205
7205411541
oct56374675
924835825
1012188093
116975105
1240b9365
1326a97b8
141893a21
15110b448
hexb9f9bd

12188093 has 8 divisors (see below), whose sum is σ = 12382656. Its totient is φ = 11995200.

The previous prime is 12188089. The next prime is 12188107. The reversal of 12188093 is 39088121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12188093 - 22 = 12188089 is a prime.

It is a super-2 number, since 2×121880932 = 297099221953298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12188003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24578 + ... + 25068.

It is an arithmetic number, because the mean of its divisors is an integer number (1547832).

Almost surely, 212188093 is an apocalyptic number.

It is an amenable number.

12188093 is a deficient number, since it is larger than the sum of its proper divisors (194563).

12188093 is a wasteful number, since it uses less digits than its factorization.

12188093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 12188093 is about 3491.1449411332. The cubic root of 12188093 is about 230.1328344210.

The spelling of 12188093 in words is "twelve million, one hundred eighty-eight thousand, ninety-three".

Divisors: 1 103 241 491 24823 50573 118331 12188093