Base | Representation |
---|---|
bin | 100111001001111011… |
… | …010001010101111101 |
3 | 11000112000022102211222 |
4 | 213021323101111331 |
5 | 1142100332313423 |
6 | 31151455523125 |
7 | 3015565021133 |
oct | 471173212575 |
9 | 130460272758 |
10 | 42042463613 |
11 | 169149691a7 |
12 | 8193b294a5 |
13 | 3c70276907 |
14 | 206b95b753 |
15 | 1160e863c8 |
hex | 9c9ed157d |
42042463613 has 4 divisors (see below), whose sum is σ = 42344927520. Its totient is φ = 41739999708.
The previous prime is 42042463601. The next prime is 42042463691. The reversal of 42042463613 is 31636424024.
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 42042463613 - 210 = 42042462589 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42042463913) 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, 151231745 + ... + 151232022.
It is an arithmetic number, because the mean of its divisors is an integer number (10586231880).
Almost surely, 242042463613 is an apocalyptic number.
It is an amenable number.
42042463613 is a deficient number, since it is larger than the sum of its proper divisors (302463907).
42042463613 is a wasteful number, since it uses less digits than its factorization.
42042463613 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 302463906.
The product of its (nonzero) digits is 82944, while the sum is 35.
Adding to 42042463613 its reverse (31636424024), we get a palindrome (73678887637).
The spelling of 42042463613 in words is "forty-two billion, forty-two million, four hundred sixty-three thousand, six hundred thirteen".
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