Base | Representation |
---|---|
bin | 10011000101001001100… |
… | …111111110100101111001 |
3 | 11122100102210120200220110 |
4 | 103011021213332211321 |
5 | 132440314230221131 |
6 | 2442205043414533 |
7 | 163505523110304 |
oct | 23051147764571 |
9 | 4570383520813 |
10 | 1311200242041 |
11 | 466093398878 |
12 | 192152384449 |
13 | 968516622b1 |
14 | 47668ca1b3b |
15 | 2419236a646 |
hex | 131499fe979 |
1311200242041 has 16 divisors (see below), whose sum is σ = 1751869416960. Its totient is φ = 872332755840.
The previous prime is 1311200242039. The next prime is 1311200242057. The reversal of 1311200242041 is 1402420021131.
It is not a de Polignac number, because 1311200242041 - 21 = 1311200242039 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1311200241999 and 1311200242017.
It is not an unprimeable number, because it can be changed into a prime (1311200240041) 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 15 ways as a sum of consecutive naturals, for example, 11796915 + ... + 11907543.
It is an arithmetic number, because the mean of its divisors is an integer number (109491838560).
Almost surely, 21311200242041 is an apocalyptic number.
It is an amenable number.
1311200242041 is a deficient number, since it is larger than the sum of its proper divisors (440669174919).
1311200242041 is a wasteful number, since it uses less digits than its factorization.
1311200242041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118736.
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 1311200242041 its reverse (1402420021131), we get a palindrome (2713620263172).
The spelling of 1311200242041 in words is "one trillion, three hundred eleven billion, two hundred million, two hundred forty-two thousand, forty-one".
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