Base | Representation |
---|---|
bin | 1101000111011111… |
… | …01000011110001001 |
3 | 200011210000210001112 |
4 | 12203233220132021 |
5 | 103410241440131 |
6 | 3122441300105 |
7 | 336340126346 |
oct | 64357503611 |
9 | 20153023045 |
10 | 7042140041 |
11 | 2a94117052 |
12 | 1446494635 |
13 | 882c6b891 |
14 | 4ab3a97cd |
15 | 2b339002b |
hex | 1a3be8789 |
7042140041 has 16 divisors (see below), whose sum is σ = 7254074880. Its totient is φ = 6834051840.
The previous prime is 7042140037. The next prime is 7042140067. The reversal of 7042140041 is 1400412407.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 7042140041 - 22 = 7042140037 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 7042139989 and 7042140016.
It is not an unprimeable number, because it can be changed into a prime (7042143041) 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, 1469936 + ... + 1474718.
It is an arithmetic number, because the mean of its divisors is an integer number (453379680).
Almost surely, 27042140041 is an apocalyptic number.
7042140041 is a gapful number since it is divisible by the number (71) formed by its first and last digit.
It is an amenable number.
7042140041 is a deficient number, since it is larger than the sum of its proper divisors (211934839).
7042140041 is a wasteful number, since it uses less digits than its factorization.
7042140041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5176.
The product of its (nonzero) digits is 896, while the sum is 23.
The square root of 7042140041 is about 83917.4596910559. The cubic root of 7042140041 is about 1916.7621245698.
Adding to 7042140041 its reverse (1400412407), we get a palindrome (8442552448).
The spelling of 7042140041 in words is "seven billion, forty-two million, one hundred forty thousand, forty-one".
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