Base | Representation |
---|---|
bin | 1011111111111100… |
… | …10010001011001001 |
3 | 121121221202120012020 |
4 | 11333332102023021 |
5 | 101143123013342 |
6 | 2543122235053 |
7 | 315432051210 |
oct | 57776221311 |
9 | 17557676166 |
10 | 6442001097 |
11 | 2806383854 |
12 | 12b94b5a89 |
13 | 7b882498c |
14 | 4517c8077 |
15 | 27a8460ec |
hex | 17ff922c9 |
6442001097 has 64 divisors (see below), whose sum is σ = 10979426304. Its totient is φ = 3274629120.
The previous prime is 6442000991. The next prime is 6442001099. The reversal of 6442001097 is 7901002446.
It is a happy number.
It is not a de Polignac number, because 6442001097 - 27 = 6442000969 is a prime.
It is not an unprimeable number, because it can be changed into a prime (6442001099) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 469113 + ... + 482649.
It is an arithmetic number, because the mean of its divisors is an integer number (171553536).
Almost surely, 26442001097 is an apocalyptic number.
It is an amenable number.
6442001097 is a deficient number, since it is larger than the sum of its proper divisors (4537425207).
6442001097 is a wasteful number, since it uses less digits than its factorization.
6442001097 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13638.
The product of its (nonzero) digits is 12096, while the sum is 33.
The square root of 6442001097 is about 80262.0775771472. The cubic root of 6442001097 is about 1860.6881772511.
The spelling of 6442001097 in words is "six billion, four hundred forty-two million, one thousand, ninety-seven".
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