Base | Representation |
---|---|
bin | 10001011110100010011… |
… | …100010010011101001001 |
3 | 11020211001020021110022010 |
4 | 101132202130102131021 |
5 | 124134142411401301 |
6 | 2315424100250133 |
7 | 152525265522054 |
oct | 21364234223511 |
9 | 4224036243263 |
10 | 1201021200201 |
11 | 42339417a9a9 |
12 | 1749236a0949 |
13 | 89343038694 |
14 | 421b5dd3a9b |
15 | 213946a85d6 |
hex | 117a2712749 |
1201021200201 has 8 divisors (see below), whose sum is σ = 1609745693184. Its totient is φ = 796488753680.
The previous prime is 1201021200199. The next prime is 1201021200217. The reversal of 1201021200201 is 1020021201021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1201021200201 - 21 = 1201021200199 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1201021200251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1048010946 + ... + 1048012091.
It is an arithmetic number, because the mean of its divisors is an integer number (201218211648).
Almost surely, 21201021200201 is an apocalyptic number.
It is an amenable number.
1201021200201 is a deficient number, since it is larger than the sum of its proper divisors (408724492983).
1201021200201 is a wasteful number, since it uses less digits than its factorization.
1201021200201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2096023231.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 1201021200201 its reverse (1020021201021), we get a palindrome (2221042401222).
The spelling of 1201021200201 in words is "one trillion, two hundred one billion, twenty-one million, two hundred thousand, two hundred one".
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