Base | Representation |
---|---|
bin | 111111111010110… |
… | …101100000000101 |
3 | 2202201212221220211 |
4 | 333322311200011 |
5 | 4144012404401 |
6 | 254224555421 |
7 | 35401101631 |
oct | 7772654005 |
9 | 2681787824 |
10 | 1072388101 |
11 | 500376064 |
12 | 25b182b71 |
13 | 141233995 |
14 | a25d1dc1 |
15 | 6422e951 |
hex | 3feb5805 |
1072388101 has 16 divisors (see below), whose sum is σ = 1196544960. Its totient is φ = 955134720.
The previous prime is 1072388081. The next prime is 1072388111. The reversal of 1072388101 is 1018832701.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 1072388101 - 25 = 1072388069 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 (1072388111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561390 + ... + 563296.
It is an arithmetic number, because the mean of its divisors is an integer number (74784060).
Almost surely, 21072388101 is an apocalyptic number.
It is an amenable number.
1072388101 is a deficient number, since it is larger than the sum of its proper divisors (124156859).
1072388101 is a wasteful number, since it uses less digits than its factorization.
1072388101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3684.
The product of its (nonzero) digits is 2688, while the sum is 31.
The square root of 1072388101 is about 32747.3373116044. The cubic root of 1072388101 is about 1023.5694820715.
The spelling of 1072388101 in words is "one billion, seventy-two million, three hundred eighty-eight thousand, one hundred one".
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