Base | Representation |
---|---|
bin | 1011110000111101101… |
… | …0101000000111010001 |
3 | 201022201020101121002012 |
4 | 2330033122220013101 |
5 | 11302421224214301 |
6 | 232504214032305 |
7 | 20413526340656 |
oct | 2741732500721 |
9 | 638636347065 |
10 | 202122101201 |
11 | 787a0725249 |
12 | 3320a348695 |
13 | 160a1b77967 |
14 | 9ad5c81c2d |
15 | 53ce904ebb |
hex | 2f0f6a81d1 |
202122101201 has 4 divisors (see below), whose sum is σ = 202197607092. Its totient is φ = 202046595312.
The previous prime is 202122101197. The next prime is 202122101243. The reversal of 202122101201 is 102101221202.
202122101201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 71208388801 + 130913712400 = 266849^2 + 361820^2 .
It is a cyclic number.
It is not a de Polignac number, because 202122101201 - 22 = 202122101197 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (202122161201) 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 3 ways as a sum of consecutive naturals, for example, 37748930 + ... + 37754283.
It is an arithmetic number, because the mean of its divisors is an integer number (50549401773).
Almost surely, 2202122101201 is an apocalyptic number.
It is an amenable number.
202122101201 is a deficient number, since it is larger than the sum of its proper divisors (75505891).
202122101201 is an equidigital number, since it uses as much as digits as its factorization.
202122101201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75505890.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 202122101201 its reverse (102101221202), we get a palindrome (304223322403).
The spelling of 202122101201 in words is "two hundred two billion, one hundred twenty-two million, one hundred one thousand, two hundred one".
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