Base | Representation |
---|---|
bin | 111100001111001… |
… | …0001010100110001 |
3 | 12012212020122210202 |
4 | 1320132101110301 |
5 | 13114411414301 |
6 | 532321204545 |
7 | 101041632605 |
oct | 17036212461 |
9 | 5185218722 |
10 | 2021201201 |
11 | 947a08418 |
12 | 484a90755 |
13 | 26298b456 |
14 | 152617505 |
15 | bc69e66b |
hex | 78791531 |
2021201201 has 8 divisors (see below), whose sum is σ = 2035211904. Its totient is φ = 2007205200.
The previous prime is 2021201177. The next prime is 2021201249. The reversal of 2021201201 is 1021021202.
It is a happy number.
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 2021201201 - 210 = 2021200177 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2021201101) 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, 522926 + ... + 526776.
It is an arithmetic number, because the mean of its divisors is an integer number (254401488).
Almost surely, 22021201201 is an apocalyptic number.
It is an amenable number.
2021201201 is a deficient number, since it is larger than the sum of its proper divisors (14010703).
2021201201 is a wasteful number, since it uses less digits than its factorization.
2021201201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7351.
The product of its (nonzero) digits is 16, while the sum is 11.
The square root of 2021201201 is about 44957.7713081954. The cubic root of 2021201201 is about 1264.3573839303.
Adding to 2021201201 its reverse (1021021202), we get a palindrome (3042222403).
The spelling of 2021201201 in words is "two billion, twenty-one million, two hundred one thousand, two hundred one".
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