Base | Representation |
---|---|
bin | 10001011111101000110… |
… | …101100001111010010111 |
3 | 11020221002112120120221210 |
4 | 101133220311201322113 |
5 | 124144102232102411 |
6 | 2320141205512503 |
7 | 152566456166013 |
oct | 21375065417227 |
9 | 4227075516853 |
10 | 1202202222231 |
11 | 42393a8a426a |
12 | 174bb3112733 |
13 | 894a091699a |
14 | 42288bc3543 |
15 | 214131e5ca6 |
hex | 117e8d61e97 |
1202202222231 has 4 divisors (see below), whose sum is σ = 1602936296312. Its totient is φ = 801468148152.
The previous prime is 1202202222229. The next prime is 1202202222283. The reversal of 1202202222231 is 1322222022021.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 1202202222231 - 21 = 1202202222229 is a prime.
It is a super-2 number, since 2×12022022222312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1202202222198 and 1202202222207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1202202222731) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200367037036 + ... + 200367037041.
It is an arithmetic number, because the mean of its divisors is an integer number (400734074078).
Almost surely, 21202202222231 is an apocalyptic number.
1202202222231 is a deficient number, since it is larger than the sum of its proper divisors (400734074081).
1202202222231 is an equidigital number, since it uses as much as digits as its factorization.
1202202222231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 400734074080.
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 1202202222231 its reverse (1322222022021), we get a palindrome (2524424244252).
The spelling of 1202202222231 in words is "one trillion, two hundred two billion, two hundred two million, two hundred twenty-two thousand, two hundred thirty-one".
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