Base | Representation |
---|---|
bin | 10001011101110010001… |
… | …010011111110110110011 |
3 | 11020201221210011201020122 |
4 | 101131302022133312303 |
5 | 124131013033331011 |
6 | 2315211444000455 |
7 | 152466232062224 |
oct | 21356212376663 |
9 | 4221853151218 |
10 | 1200211230131 |
11 | 423008a4a451 |
12 | 17473839012b |
13 | 892442a4754 |
14 | 4213a5d124b |
15 | 213485123db |
hex | 1177229fdb3 |
1200211230131 has 4 divisors (see below), whose sum is σ = 1203837246264. Its totient is φ = 1196585214000.
The previous prime is 1200211230091. The next prime is 1200211230151. The reversal of 1200211230131 is 1310321120021.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1200211230131 - 26 = 1200211230067 is a prime.
It is a super-3 number, since 3×12002112301313 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1200211230151) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1813007570 + ... + 1813008231.
It is an arithmetic number, because the mean of its divisors is an integer number (300959311566).
Almost surely, 21200211230131 is an apocalyptic number.
1200211230131 is a deficient number, since it is larger than the sum of its proper divisors (3626016133).
1200211230131 is an equidigital number, since it uses as much as digits as its factorization.
1200211230131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3626016132.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 1200211230131 its reverse (1310321120021), we get a palindrome (2510532350152).
The spelling of 1200211230131 in words is "one trillion, two hundred billion, two hundred eleven million, two hundred thirty thousand, one hundred thirty-one".
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