Base | Representation |
---|---|
bin | 100101100100100101… |
… | …000100000001000001 |
3 | 10212010111212012111222 |
4 | 211210211010001001 |
5 | 1130110042034131 |
6 | 30311040044425 |
7 | 2625500362244 |
oct | 454445040101 |
9 | 125114765458 |
10 | 40342143041 |
11 | 161220a7192 |
12 | 799a603715 |
13 | 3a5bc17475 |
14 | 1d49bd125b |
15 | 10b1a6c87b |
hex | 964944041 |
40342143041 has 4 divisors (see below), whose sum is σ = 40358084784. Its totient is φ = 40326201300.
The previous prime is 40342143019. The next prime is 40342143089. The reversal of 40342143041 is 14034124304.
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 40342143041 - 218 = 40341880897 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 40342143041.
It is not an unprimeable number, because it can be changed into a prime (40342143001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7967075 + ... + 7972136.
It is an arithmetic number, because the mean of its divisors is an integer number (10089521196).
Almost surely, 240342143041 is an apocalyptic number.
It is an amenable number.
40342143041 is a deficient number, since it is larger than the sum of its proper divisors (15941743).
40342143041 is a wasteful number, since it uses less digits than its factorization.
40342143041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15941742.
The product of its (nonzero) digits is 4608, while the sum is 26.
Adding to 40342143041 its reverse (14034124304), we get a palindrome (54376267345).
The spelling of 40342143041 in words is "forty billion, three hundred forty-two million, one hundred forty-three thousand, forty-one".
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