Base | Representation |
---|---|
bin | 101010111110100… |
… | …0011000010110101 |
3 | 10201111111120111120 |
4 | 1111331003002311 |
5 | 10423132112423 |
6 | 355032254153 |
7 | 50510235561 |
oct | 12575030265 |
9 | 3644446446 |
10 | 1442066613 |
11 | 680010a99 |
12 | 342b41359 |
13 | 19c9b9b70 |
14 | d97426a1 |
15 | 86903ee3 |
hex | 55f430b5 |
1442066613 has 16 divisors (see below), whose sum is σ = 2105759040. Its totient is φ = 872383104.
The previous prime is 1442066611. The next prime is 1442066663. The reversal of 1442066613 is 3166602441.
It is not a de Polignac number, because 1442066613 - 21 = 1442066611 is a prime.
It is a super-2 number, since 2×14420666132 = 4159112232658583538, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1442066611) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311056 + ... + 315657.
It is an arithmetic number, because the mean of its divisors is an integer number (131609940).
Almost surely, 21442066613 is an apocalyptic number.
1442066613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1442066613 is a deficient number, since it is larger than the sum of its proper divisors (663692427).
1442066613 is a wasteful number, since it uses less digits than its factorization.
1442066613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 626788.
The product of its (nonzero) digits is 20736, while the sum is 33.
The square root of 1442066613 is about 37974.5521764247. The cubic root of 1442066613 is about 1129.7831867944.
The spelling of 1442066613 in words is "one billion, four hundred forty-two million, sixty-six thousand, six hundred thirteen".
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