Base | Representation |
---|---|
bin | 10001011110101101001… |
… | …010101000001111001001 |
3 | 11020211111202211100010211 |
4 | 101132231022220033021 |
5 | 124140024441321301 |
6 | 2315454004441121 |
7 | 152532612025135 |
oct | 21365512501711 |
9 | 4224452740124 |
10 | 1201201120201 |
11 | 423476798515 |
12 | 1749739a91a1 |
13 | 893713b2014 |
14 | 421d1c6a3c5 |
15 | 213a5398051 |
hex | 117ad2a83c9 |
1201201120201 has 8 divisors (see below), whose sum is σ = 1201821141960. Its totient is φ = 1200581246592.
The previous prime is 1201201120183. The next prime is 1201201120237. The reversal of 1201201120201 is 1020211021021.
It can be written as a sum of positive squares in 4 ways, for example, as 913599518976 + 287601601225 = 955824^2 + 536285^2 .
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 1201201120201 - 219 = 1201200595913 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1201201120271) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18506661 + ... + 18571453.
It is an arithmetic number, because the mean of its divisors is an integer number (150227642745).
Almost surely, 21201201120201 is an apocalyptic number.
It is an amenable number.
1201201120201 is a deficient number, since it is larger than the sum of its proper divisors (620021759).
1201201120201 is an equidigital number, since it uses as much as digits as its factorization.
1201201120201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74075.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 1201201120201 its reverse (1020211021021), we get a palindrome (2221412141222).
The spelling of 1201201120201 in words is "one trillion, two hundred one billion, two hundred one million, one hundred twenty thousand, two hundred one".
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