Base | Representation |
---|---|
bin | 10001011101110010001… |
… | …110001111100100111111 |
3 | 11020201221212000121011022 |
4 | 101131302032033210333 |
5 | 124131013311241111 |
6 | 2315211521014355 |
7 | 152466243322010 |
oct | 21356216174477 |
9 | 4221855017138 |
10 | 1200212212031 |
11 | 423009560138 |
12 | 1747387843bb |
13 | 89244559661 |
14 | 4213a7a9007 |
15 | 213486582db |
hex | 1177238f93f |
1200212212031 has 8 divisors (see below), whose sum is σ = 1371845298720. Its totient is φ = 1028622675168.
The previous prime is 1200212211959. The next prime is 1200212212057. The reversal of 1200212212031 is 1302122120021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1200212212031 is a prime.
It is a super-2 number, since 2×12002122120312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1200212218031) 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, 10828376 + ... + 10938653.
It is an arithmetic number, because the mean of its divisors is an integer number (171480662340).
Almost surely, 21200212212031 is an apocalyptic number.
1200212212031 is a deficient number, since it is larger than the sum of its proper divisors (171633086689).
1200212212031 is an equidigital number, since it uses as much as digits as its factorization.
1200212212031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21774913.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 1200212212031 its reverse (1302122120021), we get a palindrome (2502334332052).
The spelling of 1200212212031 in words is "one trillion, two hundred billion, two hundred twelve million, two hundred twelve thousand, thirty-one".
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