Base | Representation |
---|---|
bin | 10001101010000100111… |
… | …100000100000011001101 |
3 | 11022000000201002100111022 |
4 | 101222010330010003031 |
5 | 124340031221141323 |
6 | 2325233335203525 |
7 | 153444313205213 |
oct | 21520474040315 |
9 | 4260021070438 |
10 | 1213411115213 |
11 | 428671a39490 |
12 | 177200b165a5 |
13 | 8a568bc033b |
14 | 42a2d70ccb3 |
15 | 2186c2994c8 |
hex | 11a84f040cd |
1213411115213 has 16 divisors (see below), whose sum is σ = 1330273264320. Its totient is φ = 1097648275200.
The previous prime is 1213411115167. The next prime is 1213411115219. The reversal of 1213411115213 is 3125111143121.
It is a cyclic number.
It is not a de Polignac number, because 1213411115213 - 28 = 1213411114957 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1213411115219) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3155831 + ... + 3519387.
It is an arithmetic number, because the mean of its divisors is an integer number (83142079020).
Almost surely, 21213411115213 is an apocalyptic number.
It is an amenable number.
1213411115213 is a deficient number, since it is larger than the sum of its proper divisors (116862149107).
1213411115213 is a wasteful number, since it uses less digits than its factorization.
1213411115213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 365068.
The product of its digits is 720, while the sum is 26.
Adding to 1213411115213 its reverse (3125111143121), we get a palindrome (4338522258334).
The spelling of 1213411115213 in words is "one trillion, two hundred thirteen billion, four hundred eleven million, one hundred fifteen thousand, two hundred thirteen".
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