Base | Representation |
---|---|
bin | 101110001100… |
… | …110101111110 |
3 | 211210022111002 |
4 | 232030311332 |
5 | 11100024410 |
6 | 1111330302 |
7 | 204641465 |
oct | 56146576 |
9 | 24708432 |
10 | 12111230 |
11 | 692238a |
12 | 4080992 |
13 | 2680811 |
14 | 18739dc |
15 | 10e37a5 |
hex | b8cd7e |
12111230 has 16 divisors (see below), whose sum is σ = 21848400. Its totient is φ = 4833792.
The previous prime is 12111221. The next prime is 12111263. The reversal of 12111230 is 3211121.
It is a super-2 number, since 2×121112302 = 293363784225800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4721 + ... + 6819.
It is an arithmetic number, because the mean of its divisors is an integer number (1365525).
Almost surely, 212111230 is an apocalyptic number.
12111230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12111230 is a deficient number, since it is larger than the sum of its proper divisors (9737170).
12111230 is a wasteful number, since it uses less digits than its factorization.
12111230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2683.
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 12111230 is about 3480.1192508304. The cubic root of 12111230 is about 229.6480439267.
Adding to 12111230 its reverse (3211121), we get a palindrome (15322351).
The spelling of 12111230 in words is "twelve million, one hundred eleven thousand, two hundred thirty".
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