Base | Representation |
---|---|
bin | 100100101110000… |
… | …1101100001111111 |
3 | 10011212110210122210 |
4 | 1021130031201333 |
5 | 10010411212343 |
6 | 322132511503 |
7 | 42350644140 |
oct | 11134154177 |
9 | 3155423583 |
10 | 1232132223 |
11 | 5825631a3 |
12 | 2a477b593 |
13 | 168364b2a |
14 | b98d5ac7 |
15 | 73286333 |
hex | 4970d87f |
1232132223 has 16 divisors (see below), whose sum is σ = 1909359360. Its totient is φ = 692141376.
The previous prime is 1232132221. The next prime is 1232132263. The reversal of 1232132223 is 3222312321.
It is a happy number.
It is not a de Polignac number, because 1232132223 - 21 = 1232132221 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 1232132223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1232132221) 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 15 ways as a sum of consecutive naturals, for example, 495990 + ... + 498467.
It is an arithmetic number, because the mean of its divisors is an integer number (119334960).
Almost surely, 21232132223 is an apocalyptic number.
1232132223 is a deficient number, since it is larger than the sum of its proper divisors (677227137).
1232132223 is an equidigital number, since it uses as much as digits as its factorization.
1232132223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 994526.
The product of its digits is 864, while the sum is 21.
The square root of 1232132223 is about 35101.7410251970. The cubic root of 1232132223 is about 1072.0600319908.
Adding to 1232132223 its reverse (3222312321), we get a palindrome (4454444544).
It can be divided in two parts, 12321 and 32223, that added together give a palindrome (44544).
The spelling of 1232132223 in words is "one billion, two hundred thirty-two million, one hundred thirty-two thousand, two hundred twenty-three".
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