Base | Representation |
---|---|
bin | 1111010001101111… |
… | …11101000000010001 |
3 | 210011121102012010100 |
4 | 13220313331000101 |
5 | 113244144333301 |
6 | 3433512123013 |
7 | 410152263225 |
oct | 75067750021 |
9 | 23147365110 |
10 | 8201949201 |
11 | 3529871916 |
12 | 170a996469 |
13 | a093306a4 |
14 | 57b436785 |
15 | 3300dc286 |
hex | 1e8dfd011 |
8201949201 has 24 divisors (see below), whose sum is σ = 12367854720. Its totient is φ = 5227903296.
The previous prime is 8201949199. The next prime is 8201949307. The reversal of 8201949201 is 1029491028.
It is not a de Polignac number, because 8201949201 - 21 = 8201949199 is a prime.
It is not an unprimeable number, because it can be changed into a prime (8201949101) 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 23 ways as a sum of consecutive naturals, for example, 540445 + ... + 555413.
It is an arithmetic number, because the mean of its divisors is an integer number (515327280).
Almost surely, 28201949201 is an apocalyptic number.
It is an amenable number.
8201949201 is a deficient number, since it is larger than the sum of its proper divisors (4165905519).
8201949201 is a wasteful number, since it uses less digits than its factorization.
8201949201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17645 (or 17642 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 36.
The square root of 8201949201 is about 90564.6134039118. The cubic root of 8201949201 is about 2016.6894439276.
The spelling of 8201949201 in words is "eight billion, two hundred one million, nine hundred forty-nine thousand, two hundred one".
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