Base | Representation |
---|---|
bin | 11101010011000011111… |
… | …000110001001100100101 |
3 | 21010110202111201120210221 |
4 | 131103003320301030211 |
5 | 230441300232230341 |
6 | 4140524521244341 |
7 | 265313136160462 |
oct | 35230370611445 |
9 | 7113674646727 |
10 | 2013331133221 |
11 | 706937a34561 |
12 | 2862446336b1 |
13 | 117b19414895 |
14 | 6d6351b4669 |
15 | 3758853ced1 |
hex | 1d4c3e31325 |
2013331133221 has 32 divisors (see below), whose sum is σ = 2119283066880. Its totient is φ = 1909013582784.
The previous prime is 2013331133207. The next prime is 2013331133237. The reversal of 2013331133221 is 1223311333102.
It is a cyclic number.
It is not a de Polignac number, because 2013331133221 - 215 = 2013331100453 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2013331133251) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1731152586 + ... + 1731153748.
It is an arithmetic number, because the mean of its divisors is an integer number (66227595840).
Almost surely, 22013331133221 is an apocalyptic number.
It is an amenable number.
2013331133221 is a deficient number, since it is larger than the sum of its proper divisors (105951933659).
2013331133221 is a wasteful number, since it uses less digits than its factorization.
2013331133221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2625.
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 2013331133221 its reverse (1223311333102), we get a palindrome (3236642466323).
The spelling of 2013331133221 in words is "two trillion, thirteen billion, three hundred thirty-one million, one hundred thirty-three thousand, two hundred twenty-one".
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