Base | Representation |
---|---|
bin | 1110011011011… |
… | …00111000011111 |
3 | 22102202001222221 |
4 | 13031230320133 |
5 | 221441012343 |
6 | 20002050211 |
7 | 2666520424 |
oct | 715547037 |
9 | 272661887 |
10 | 121032223 |
11 | 62357334 |
12 | 34649967 |
13 | 1c0c8a00 |
14 | 12107d4b |
15 | a95b5ed |
hex | 736ce1f |
121032223 has 12 divisors (see below), whose sum is σ = 137960040. Its totient is φ = 105839136.
The previous prime is 121032211. The next prime is 121032271. The reversal of 121032223 is 322230121.
It is not a de Polignac number, because 121032223 - 29 = 121031711 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121032197 and 121032206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121032203) 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 11 ways as a sum of consecutive naturals, for example, 15636 + ... + 22057.
It is an arithmetic number, because the mean of its divisors is an integer number (11496670).
Almost surely, 2121032223 is an apocalyptic number.
121032223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
121032223 is a deficient number, since it is larger than the sum of its proper divisors (16927817).
121032223 is a wasteful number, since it uses less digits than its factorization.
121032223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37738 (or 37725 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 121032223 is about 11001.4645843179. The cubic root of 121032223 is about 494.6526461513.
Adding to 121032223 its reverse (322230121), we get a palindrome (443262344).
It can be divided in two parts, 12103 and 2223, that multiplied together give a square (26904969 = 51872).
The spelling of 121032223 in words is "one hundred twenty-one million, thirty-two thousand, two hundred twenty-three".
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