Base | Representation |
---|---|
bin | 100111101100110… |
… | …0100010001001101 |
3 | 10102211120210201022 |
4 | 1033121210101031 |
5 | 10212004232341 |
6 | 340103323525 |
7 | 45003452642 |
oct | 11731442115 |
9 | 3384523638 |
10 | 1332102221 |
11 | 623a3412a |
12 | 3121505a5 |
13 | 182c97a88 |
14 | c8cb9dc9 |
15 | 7be31e4b |
hex | 4f66444d |
1332102221 has 4 divisors (see below), whose sum is σ = 1332307200. Its totient is φ = 1331897244.
The previous prime is 1332102197. The next prime is 1332102223. The reversal of 1332102221 is 1222012331.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1222012331 = 563 ⋅2170537.
It is a cyclic number.
It is not a de Polignac number, because 1332102221 - 214 = 1332085837 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1332102221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1332102223) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92411 + ... + 105848.
It is an arithmetic number, because the mean of its divisors is an integer number (333076800).
Almost surely, 21332102221 is an apocalyptic number.
It is an amenable number.
1332102221 is a deficient number, since it is larger than the sum of its proper divisors (204979).
1332102221 is an equidigital number, since it uses as much as digits as its factorization.
1332102221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 204978.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 1332102221 is about 36497.9755739959. The cubic root of 1332102221 is about 1100.3035583704.
Adding to 1332102221 its reverse (1222012331), we get a palindrome (2554114552).
The spelling of 1332102221 in words is "one billion, three hundred thirty-two million, one hundred two thousand, two hundred twenty-one".
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