Base | Representation |
---|---|
bin | 101010111111000… |
… | …1000111101110101 |
3 | 10201112001010100222 |
4 | 1111332020331311 |
5 | 10423220244023 |
6 | 355042344125 |
7 | 50512540553 |
oct | 12576107565 |
9 | 3645033328 |
10 | 1442353013 |
11 | 680197192 |
12 | 34305b045 |
13 | 19ca8a32a |
14 | d97b8bd3 |
15 | 8695dcc8 |
hex | 55f88f75 |
1442353013 has 4 divisors (see below), whose sum is σ = 1445244000. Its totient is φ = 1439462028.
The previous prime is 1442353009. The next prime is 1442353079. The reversal of 1442353013 is 3103532441.
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.
It is a cyclic number.
It is not a de Polignac number, because 1442353013 - 22 = 1442353009 is a prime.
It is a super-2 number, since 2×14423530132 = 4160764428220356338, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1442353613) 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 3 ways as a sum of consecutive naturals, for example, 1444745 + ... + 1445742.
It is an arithmetic number, because the mean of its divisors is an integer number (361311000).
Almost surely, 21442353013 is an apocalyptic number.
It is an amenable number.
1442353013 is a deficient number, since it is larger than the sum of its proper divisors (2890987).
1442353013 is an equidigital number, since it uses as much as digits as its factorization.
1442353013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2890986.
The product of its (nonzero) digits is 4320, while the sum is 26.
The square root of 1442353013 is about 37978.3229355905. The cubic root of 1442353013 is about 1129.8579749453.
Adding to 1442353013 its reverse (3103532441), we get a palindrome (4545885454).
The spelling of 1442353013 in words is "one billion, four hundred forty-two million, three hundred fifty-three thousand, thirteen".
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