Base | Representation |
---|---|
bin | 111100110110110… |
… | …1010010101010101 |
3 | 12021022102000020121 |
4 | 1321231222111111 |
5 | 13140223404023 |
6 | 534343231541 |
7 | 101413552465 |
oct | 17155522525 |
9 | 5238360217 |
10 | 2042013013 |
11 | 958732667 |
12 | 48ba485b1 |
13 | 267097231 |
14 | 1552b3ba5 |
15 | be410d5d |
hex | 79b6a555 |
2042013013 has 4 divisors (see below), whose sum is σ = 2069985868. Its totient is φ = 2014040160.
The previous prime is 2042012969. The next prime is 2042013053. The reversal of 2042013013 is 3103102402.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3103102402 = 2 ⋅1551551201.
It can be written as a sum of positive squares in 2 ways, for example, as 523585924 + 1518427089 = 22882^2 + 38967^2 .
It is a cyclic number.
It is not a de Polignac number, because 2042013013 - 213 = 2042004821 is a prime.
It is a super-2 number, since 2×20420130132 = 8339634290522676338, 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 (2042013053) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13986318 + ... + 13986463.
It is an arithmetic number, because the mean of its divisors is an integer number (517496467).
Almost surely, 22042013013 is an apocalyptic number.
It is an amenable number.
2042013013 is a deficient number, since it is larger than the sum of its proper divisors (27972855).
2042013013 is an equidigital number, since it uses as much as digits as its factorization.
2042013013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27972854.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 2042013013 is about 45188.6380963180. The cubic root of 2042013013 is about 1268.6821663912.
Adding to 2042013013 its reverse (3103102402), we get a palindrome (5145115415).
It can be divided in two parts, 20420 and 13013, that added together give a palindrome (33433).
The spelling of 2042013013 in words is "two billion, forty-two million, thirteen thousand, thirteen".
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