Base | Representation |
---|---|
bin | 101110001100… |
… | …110100100101 |
3 | 211210022100210 |
4 | 232030310211 |
5 | 11100024031 |
6 | 1111330033 |
7 | 204641310 |
oct | 56146445 |
9 | 24708323 |
10 | 12111141 |
11 | 6922309 |
12 | 4080919 |
13 | 2680773 |
14 | 1873977 |
15 | 10e3746 |
hex | b8cd25 |
12111141 has 8 divisors (see below), whose sum is σ = 18455104. Its totient is φ = 6920640.
The previous prime is 12111139. The next prime is 12111149. The reversal of 12111141 is 14111121.
12111141 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 a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12111141 - 21 = 12111139 is a prime.
It is a Duffinian number.
It is a zygodrome in base 6.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12111149) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288340 + ... + 288381.
It is an arithmetic number, because the mean of its divisors is an integer number (2306888).
Almost surely, 212111141 is an apocalyptic number.
It is an amenable number.
12111141 is a deficient number, since it is larger than the sum of its proper divisors (6343963).
12111141 is an equidigital number, since it uses as much as digits as its factorization.
12111141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 576731.
The product of its digits is 8, while the sum is 12.
The square root of 12111141 is about 3480.1064638887. The cubic root of 12111141 is about 229.6474813985.
Adding to 12111141 its reverse (14111121), we get a palindrome (26222262).
The spelling of 12111141 in words is "twelve million, one hundred eleven thousand, one hundred forty-one".
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