Base | Representation |
---|---|
bin | 1010111011101110001100… |
… | …1100101000000011001101 |
3 | 1120120012122020100002220010 |
4 | 2232323203030220003031 |
5 | 3033423233314411023 |
6 | 41322233032143433 |
7 | 2350332546015330 |
oct | 256734314500315 |
9 | 46505566302803 |
10 | 12021130232013 |
11 | 3915150697971 |
12 | 1421938237b79 |
13 | 6927842a1956 |
14 | 2d7b7c032617 |
15 | 15ca6cee5093 |
hex | aeee33280cd |
12021130232013 has 8 divisors (see below), whose sum is σ = 18317912734528. Its totient is φ = 6869217275424.
The previous prime is 12021130231967. The next prime is 12021130232029. The reversal of 12021130232013 is 31023203112021.
12021130232013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12021130232013 - 213 = 12021130223821 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 572434772953 = 12021130232013 / (1 + 2 + 0 + 2 + 1 + 1 + 3 + 0 + 2 + 3 + 2 + 0 + 1 + 3).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12021130236013) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286217386456 + ... + 286217386497.
It is an arithmetic number, because the mean of its divisors is an integer number (2289739091816).
Almost surely, 212021130232013 is an apocalyptic number.
It is an amenable number.
12021130232013 is a deficient number, since it is larger than the sum of its proper divisors (6296782502515).
12021130232013 is an equidigital number, since it uses as much as digits as its factorization.
12021130232013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 572434772963.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 12021130232013 its reverse (31023203112021), we get a palindrome (43044333344034).
The spelling of 12021130232013 in words is "twelve trillion, twenty-one billion, one hundred thirty million, two hundred thirty-two thousand, thirteen".
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