Base | Representation |
---|---|
bin | 10011000010011100… |
… | …00001011000001001 |
3 | 222101022121121102000 |
4 | 21201032001120021 |
5 | 131413034001301 |
6 | 4410115301213 |
7 | 511200032256 |
oct | 114116013011 |
9 | 28338547360 |
10 | 10221000201 |
11 | 4375540805 |
12 | 1b92baa809 |
13 | c6b718219 |
14 | 6cd65042d |
15 | 3ec4b4786 |
hex | 261381609 |
10221000201 has 16 divisors (see below), whose sum is σ = 15939182400. Its totient is φ = 6455368224.
The previous prime is 10221000161. The next prime is 10221000203. The reversal of 10221000201 is 10200012201.
It is not a de Polignac number, because 10221000201 - 211 = 10220998153 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 (10221000203) 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, 9961476 + ... + 9962501.
It is an arithmetic number, because the mean of its divisors is an integer number (996198900).
Almost surely, 210221000201 is an apocalyptic number.
It is an amenable number.
10221000201 is a deficient number, since it is larger than the sum of its proper divisors (5718182199).
10221000201 is a wasteful number, since it uses less digits than its factorization.
10221000201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19924005 (or 19923999 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
Adding to 10221000201 its reverse (10200012201), we get a palindrome (20421012402).
The spelling of 10221000201 in words is "ten billion, two hundred twenty-one million, two hundred one", and thus it is an aban number.
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