Base | Representation |
---|---|
bin | 11001110011110… |
… | …11011000000010 |
3 | 120002101221122001 |
4 | 30321323120002 |
5 | 420411341002 |
6 | 33252334214 |
7 | 5236215220 |
oct | 1471733002 |
9 | 502357561 |
10 | 216512002 |
11 | 101240743 |
12 | 6061436a |
13 | 35b18c15 |
14 | 20a7db10 |
15 | 1401ba87 |
hex | ce7b602 |
216512002 has 8 divisors (see below), whose sum is σ = 371163456. Its totient is φ = 92790852.
The previous prime is 216511979. The next prime is 216512059. The reversal of 216512002 is 200215612.
216512002 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7732558 + ... + 7732585.
It is an arithmetic number, because the mean of its divisors is an integer number (46395432).
Almost surely, 2216512002 is an apocalyptic number.
216512002 is a deficient number, since it is larger than the sum of its proper divisors (154651454).
216512002 is a wasteful number, since it uses less digits than its factorization.
216512002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15465152.
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 216512002 is about 14714.3468084723. The cubic root of 216512002 is about 600.4737018385.
Adding to 216512002 its reverse (200215612), we get a palindrome (416727614).
It can be divided in two parts, 21651 and 2002, that added together give a triangular number (23653 = T217).
The spelling of 216512002 in words is "two hundred sixteen million, five hundred twelve thousand, two".
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