Base | Representation |
---|---|
bin | 101111001000010110… |
… | …1100001011001101001 |
3 | 100200020122102102010202 |
4 | 1132100231201121221 |
5 | 3124240244201301 |
6 | 114255102321545 |
7 | 10212062441222 |
oct | 1362055413151 |
9 | 320218372122 |
10 | 101212100201 |
11 | 39a18656a03 |
12 | 177478892b5 |
13 | 970c97c6b4 |
14 | 4c82020249 |
15 | 297586566b |
hex | 1790b61669 |
101212100201 has 8 divisors (see below), whose sum is σ = 108369864360. Its totient is φ = 94188126208.
The previous prime is 101212100191. The next prime is 101212100237. The reversal of 101212100201 is 102001212101.
It can be written as a sum of positive squares in 4 ways, for example, as 9835878976 + 91376221225 = 99176^2 + 302285^2 .
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 101212100201 - 230 = 100138358377 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (101212100501) 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, 33445976 + ... + 33449001.
It is an arithmetic number, because the mean of its divisors is an integer number (13546233045).
Almost surely, 2101212100201 is an apocalyptic number.
It is an amenable number.
101212100201 is a deficient number, since it is larger than the sum of its proper divisors (7157764159).
101212100201 is an equidigital number, since it uses as much as digits as its factorization.
101212100201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66895083.
The product of its (nonzero) digits is 8, while the sum is 11.
Adding to 101212100201 its reverse (102001212101), we get a palindrome (203213312302).
The spelling of 101212100201 in words is "one hundred one billion, two hundred twelve million, one hundred thousand, two hundred one".
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