Base | Representation |
---|---|
bin | 1011110000111000101… |
… | …0111100010000101001 |
3 | 201022122210002022202112 |
4 | 2330032022330100221 |
5 | 11302400402242301 |
6 | 232502150212105 |
7 | 20413153650050 |
oct | 2741612742051 |
9 | 638583068675 |
10 | 202101212201 |
11 | 7878a958009 |
12 | 33203354035 |
13 | 1609a7429c5 |
14 | 9ad31a5397 |
15 | 53ccb7a9bb |
hex | 2f0e2bc429 |
202101212201 has 16 divisors (see below), whose sum is σ = 236741216640. Its totient is φ = 168954508800.
The previous prime is 202101212189. The next prime is 202101212227. The reversal of 202101212201 is 102212101202.
It is not a de Polignac number, because 202101212201 - 218 = 202100950057 is a prime.
It is a super-2 number, since 2×2021012122012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (202101292201) 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, 2085896 + ... + 2180633.
It is an arithmetic number, because the mean of its divisors is an integer number (14796326040).
Almost surely, 2202101212201 is an apocalyptic number.
It is an amenable number.
202101212201 is a deficient number, since it is larger than the sum of its proper divisors (34640004439).
202101212201 is a wasteful number, since it uses less digits than its factorization.
202101212201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4266704.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 202101212201 its reverse (102212101202), we get a palindrome (304313313403).
The spelling of 202101212201 in words is "two hundred two billion, one hundred one million, two hundred twelve thousand, two hundred one".
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