Base | Representation |
---|---|
bin | 1000000101111001… |
… | …0010100000101110 |
3 | 12121101101020121010 |
4 | 2001132102200232 |
5 | 13422040413011 |
6 | 555313450050 |
7 | 104554255353 |
oct | 20136224056 |
9 | 5541336533 |
10 | 2172201006 |
11 | a15172848 |
12 | 507570926 |
13 | 28804a451 |
14 | 1686c262a |
15 | caa7a1a6 |
hex | 8179282e |
2172201006 has 16 divisors (see below), whose sum is σ = 4533289344. Its totient is φ = 692585784.
The previous prime is 2172200971. The next prime is 2172201013. The reversal of 2172201006 is 6001022712.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7870156 + ... + 7870431.
It is an arithmetic number, because the mean of its divisors is an integer number (283330584).
Almost surely, 22172201006 is an apocalyptic number.
2172201006 is an abundant number, since it is smaller than the sum of its proper divisors (2361088338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2172201006 is a wasteful number, since it uses less digits than its factorization.
2172201006 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15740615.
The product of its (nonzero) digits is 336, while the sum is 21.
The square root of 2172201006 is about 46606.8772393088. The cubic root of 2172201006 is about 1295.0901595423.
Adding to 2172201006 its reverse (6001022712), we get a palindrome (8173223718).
The spelling of 2172201006 in words is "two billion, one hundred seventy-two million, two hundred one thousand, six".
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