Base | Representation |
---|---|
bin | 100111101010101… |
… | …1110100000000110 |
3 | 10102202120022221020 |
4 | 1033111132200012 |
5 | 10211220430042 |
6 | 340024332010 |
7 | 44661366000 |
oct | 11725364006 |
9 | 3382508836 |
10 | 1331030022 |
11 | 623371613 |
12 | 311914006 |
13 | 1829b0a3a |
14 | c8abb370 |
15 | 7bcbe3ec |
hex | 4f55e806 |
1331030022 has 64 divisors (see below), whose sum is σ = 3163276800. Its totient is φ = 373088352.
The previous prime is 1331030021. The next prime is 1331030053. The reversal of 1331030022 is 2200301331.
It is a junction number, because it is equal to n+sod(n) for n = 1331029983 and 1331030010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1331030021) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102973 + ... + 115175.
It is an arithmetic number, because the mean of its divisors is an integer number (49426200).
Almost surely, 21331030022 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1331030022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1581638400).
1331030022 is an abundant number, since it is smaller than the sum of its proper divisors (1832246778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1331030022 is a wasteful number, since it uses less digits than its factorization.
1331030022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12282 (or 12268 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 1331030022 is about 36483.2841449341. The cubic root of 1331030022 is about 1100.0082704612.
Adding to 1331030022 its reverse (2200301331), we get a palindrome (3531331353).
The spelling of 1331030022 in words is "one billion, three hundred thirty-one million, thirty thousand, twenty-two".
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