Base | Representation |
---|---|
bin | 1100001011110… |
… | …01101010011001 |
3 | 21010022211001000 |
4 | 12011321222121 |
5 | 202131211301 |
6 | 14050415213 |
7 | 2350525632 |
oct | 605715231 |
9 | 233284030 |
10 | 102210201 |
11 | 52771045 |
12 | 2a291509 |
13 | 18238812 |
14 | d808889 |
15 | 8e8e786 |
hex | 6179a99 |
102210201 has 16 divisors (see below), whose sum is σ = 151704000. Its totient is φ = 68013504.
The previous prime is 102210191. The next prime is 102210209. The reversal of 102210201 is 102012201.
It is not a de Polignac number, because 102210201 - 29 = 102209689 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (102210209) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12625 + ... + 19073.
It is an arithmetic number, because the mean of its divisors is an integer number (9481500).
Almost surely, 2102210201 is an apocalyptic number.
It is an amenable number.
102210201 is a deficient number, since it is larger than the sum of its proper divisors (49493799).
102210201 is an equidigital number, since it uses as much as digits as its factorization.
102210201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7045 (or 7039 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 102210201 is about 10109.9060826498. The cubic root of 102210201 is about 467.5536095309.
Adding to 102210201 its reverse (102012201), we get a palindrome (204222402).
The spelling of 102210201 in words is "one hundred two million, two hundred ten thousand, two hundred one".
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