Base | Representation |
---|---|
bin | 10001100111000111011… |
… | …010001001110010100001 |
3 | 11021200211002202121221201 |
4 | 101213013122021302201 |
5 | 124312023210111001 |
6 | 2323550025321201 |
7 | 153302442406216 |
oct | 21470732116241 |
9 | 4250732677851 |
10 | 1210231332001 |
11 | 42729004427a |
12 | 176674036201 |
13 | 8a1801ac803 |
14 | 4280b2a7b0d |
15 | 21733041501 |
hex | 119c7689ca1 |
1210231332001 has 4 divisors (see below), whose sum is σ = 1281421410372. Its totient is φ = 1139041253632.
The previous prime is 1210231331999. The next prime is 1210231332007. The reversal of 1210231332001 is 1002331320121.
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 878576280976 + 331655051025 = 937324^2 + 575895^2 .
It is a cyclic number.
It is not a de Polignac number, because 1210231332001 - 21 = 1210231331999 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1210231332001.
It is not an unprimeable number, because it can be changed into a prime (1210231332007) 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, 35595039160 + ... + 35595039193.
It is an arithmetic number, because the mean of its divisors is an integer number (320355352593).
Almost surely, 21210231332001 is an apocalyptic number.
It is an amenable number.
1210231332001 is a deficient number, since it is larger than the sum of its proper divisors (71190078371).
1210231332001 is an equidigital number, since it uses as much as digits as its factorization.
1210231332001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71190078370.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 1210231332001 its reverse (1002331320121), we get a palindrome (2212562652122).
The spelling of 1210231332001 in words is "one trillion, two hundred ten billion, two hundred thirty-one million, three hundred thirty-two thousand, one".
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