Base | Representation |
---|---|
bin | 100111101000110… |
… | …1000100000010101 |
3 | 10102200200010202200 |
4 | 1033101220200111 |
5 | 10210441204141 |
6 | 335550555113 |
7 | 44650001250 |
oct | 11721504025 |
9 | 3380603680 |
10 | 1330022421 |
11 | 622843592 |
12 | 311508a99 |
13 | 18271a220 |
14 | c88d8097 |
15 | 7bb70ab6 |
hex | 4f468815 |
1330022421 has 48 divisors (see below), whose sum is σ = 2503597824. Its totient is φ = 660275712.
The previous prime is 1330022399. The next prime is 1330022423. The reversal of 1330022421 is 1242200331.
It is not a de Polignac number, because 1330022421 - 215 = 1329989653 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1330022394 and 1330022403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1330022423) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33841 + ... + 61686.
It is an arithmetic number, because the mean of its divisors is an integer number (52158288).
Almost surely, 21330022421 is an apocalyptic number.
It is an amenable number.
1330022421 is a deficient number, since it is larger than the sum of its proper divisors (1173575403).
1330022421 is a wasteful number, since it uses less digits than its factorization.
1330022421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95570 (or 95567 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 1330022421 is about 36469.4724529983. The cubic root of 1330022421 is about 1099.7306285312.
Adding to 1330022421 its reverse (1242200331), we get a palindrome (2572222752).
It can be divided in two parts, 13300 and 22421, that added together give a square (35721 = 1892).
The spelling of 1330022421 in words is "one billion, three hundred thirty million, twenty-two thousand, four hundred twenty-one".
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