Base | Representation |
---|---|
bin | 10000001011101001100… |
… | …100011010101010111001 |
3 | 10221022022121012012102211 |
4 | 100023221210122222321 |
5 | 121204404132400441 |
6 | 2210504404055121 |
7 | 143224616512525 |
oct | 20135144325271 |
9 | 3838277165384 |
10 | 1112020200121 |
11 | 39967245a286 |
12 | 15b6253944a1 |
13 | 80b2b19331c |
14 | 3bb71a62d85 |
15 | 1ddd5db1a81 |
hex | 102e991aab9 |
1112020200121 has 4 divisors (see below), whose sum is σ = 1113481462644. Its totient is φ = 1110558937600.
The previous prime is 1112020200097. The next prime is 1112020200209. The reversal of 1112020200121 is 1210020202111.
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 48927228025 + 1063092972096 = 221195^2 + 1031064^2 .
It is a cyclic number.
It is not a de Polignac number, because 1112020200121 - 211 = 1112020198073 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1112020200721) 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, 730630120 + ... + 730631641.
It is an arithmetic number, because the mean of its divisors is an integer number (278370365661).
Almost surely, 21112020200121 is an apocalyptic number.
It is an amenable number.
1112020200121 is a deficient number, since it is larger than the sum of its proper divisors (1461262523).
1112020200121 is an equidigital number, since it uses as much as digits as its factorization.
1112020200121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1461262522.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 1112020200121 its reverse (1210020202111), we get a palindrome (2322040402232).
The spelling of 1112020200121 in words is "one trillion, one hundred twelve billion, twenty million, two hundred thousand, one hundred twenty-one".
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