Base | Representation |
---|---|
bin | 11000011101010000… |
… | …01111101101011101 |
3 | 1020220002001000202102 |
4 | 30032220033231131 |
5 | 203342331124041 |
6 | 10010524334445 |
7 | 643244663201 |
oct | 141650175535 |
9 | 36802030672 |
10 | 13130333021 |
11 | 56288045a3 |
12 | 26653a4425 |
13 | 13133a5c30 |
14 | 8c7bb4b01 |
15 | 51cae909b |
hex | 30ea0fb5d |
13130333021 has 16 divisors (see below), whose sum is σ = 15128615040. Its totient is φ = 11294147520.
The previous prime is 13130333011. The next prime is 13130333063. The reversal of 13130333021 is 12033303131.
It is a cyclic number.
It is not a de Polignac number, because 13130333021 - 214 = 13130316637 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13130332984 and 13130333002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13130333011) 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 15 ways as a sum of consecutive naturals, for example, 420665 + ... + 450798.
It is an arithmetic number, because the mean of its divisors is an integer number (945538440).
Almost surely, 213130333021 is an apocalyptic number.
It is an amenable number.
13130333021 is a deficient number, since it is larger than the sum of its proper divisors (1998282019).
13130333021 is a wasteful number, since it uses less digits than its factorization.
13130333021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 871556.
The product of its (nonzero) digits is 486, while the sum is 20.
Adding to 13130333021 its reverse (12033303131), we get a palindrome (25163636152).
The spelling of 13130333021 in words is "thirteen billion, one hundred thirty million, three hundred thirty-three thousand, twenty-one".
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