Base | Representation |
---|---|
bin | 100111101010101… |
… | …1110100011001111 |
3 | 10102202120100012200 |
4 | 1033111132203033 |
5 | 10211220431343 |
6 | 340024332543 |
7 | 44661366405 |
oct | 11725364317 |
9 | 3382510180 |
10 | 1331030223 |
11 | 623371786 |
12 | 311914153 |
13 | 1829b0b63 |
14 | c8abb475 |
15 | 7bcbe4d3 |
hex | 4f55e8cf |
1331030223 has 12 divisors (see below), whose sum is σ = 1936432680. Its totient is φ = 880968816.
The previous prime is 1331030219. The next prime is 1331030251. The reversal of 1331030223 is 3220301331.
It is not a de Polignac number, because 1331030223 - 22 = 1331030219 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1331030196 and 1331030205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1331030203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 530736 + ... + 533237.
It is an arithmetic number, because the mean of its divisors is an integer number (161369390).
Almost surely, 21331030223 is an apocalyptic number.
1331030223 is a deficient number, since it is larger than the sum of its proper divisors (605402457).
1331030223 is a wasteful number, since it uses less digits than its factorization.
1331030223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1064118 (or 1064115 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
The square root of 1331030223 is about 36483.2868996202. The cubic root of 1331030223 is about 1100.0083258323.
Adding to 1331030223 its reverse (3220301331), we get a palindrome (4551331554).
The spelling of 1331030223 in words is "one billion, three hundred thirty-one million, thirty thousand, two hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •