Base | Representation |
---|---|
bin | 10000011101100000111… |
… | …010000001100001111001 |
3 | 11000010211102112212221001 |
4 | 100131200322001201321 |
5 | 122013200232102301 |
6 | 2223400033245001 |
7 | 144504150145252 |
oct | 20354072014171 |
9 | 4003742485831 |
10 | 1131202222201 |
11 | 3a6816189397 |
12 | 163299403761 |
13 | 8289726214c |
14 | 3ca7145db29 |
15 | 1e659e03c01 |
hex | 10760e81879 |
1131202222201 has 4 divisors (see below), whose sum is σ = 1131237396900. Its totient is φ = 1131167047504.
The previous prime is 1131202222187. The next prime is 1131202222211. The reversal of 1131202222201 is 1022222021311.
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 119868288400 + 1011333933801 = 346220^2 + 1005651^2 .
It is a cyclic number.
It is not a de Polignac number, because 1131202222201 - 29 = 1131202221689 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1131202222211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17539066 + ... + 17603443.
It is an arithmetic number, because the mean of its divisors is an integer number (282809349225).
Almost surely, 21131202222201 is an apocalyptic number.
It is an amenable number.
1131202222201 is a deficient number, since it is larger than the sum of its proper divisors (35174699).
1131202222201 is an equidigital number, since it uses as much as digits as its factorization.
1131202222201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35174698.
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 1131202222201 its reverse (1022222021311), we get a palindrome (2153424243512).
The spelling of 1131202222201 in words is "one trillion, one hundred thirty-one billion, two hundred two million, two hundred twenty-two thousand, two hundred one".
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