Base | Representation |
---|---|
bin | 10110100100110100… |
… | …01011101000010101 |
3 | 1011021122221110200201 |
4 | 23102122023220111 |
5 | 144310210411313 |
6 | 5322353540501 |
7 | 606226261561 |
oct | 132232135025 |
9 | 34248843621 |
10 | 12120013333 |
11 | 515a48244a |
12 | 2422b74731 |
13 | 11b1c9482c |
14 | 82d93c6a1 |
15 | 4ae07a0dd |
hex | 2d268ba15 |
12120013333 has 4 divisors (see below), whose sum is σ = 12151992640. Its totient is φ = 12088034028.
The previous prime is 12120013291. The next prime is 12120013349. The reversal of 12120013333 is 33331002121.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12120013333 - 213 = 12120005141 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12120013333.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12120713333) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15989085 + ... + 15989842.
It is an arithmetic number, because the mean of its divisors is an integer number (3037998160).
Almost surely, 212120013333 is an apocalyptic number.
It is an amenable number.
12120013333 is a deficient number, since it is larger than the sum of its proper divisors (31979307).
12120013333 is an equidigital number, since it uses as much as digits as its factorization.
12120013333 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31979306.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 12120013333 its reverse (33331002121), we get a palindrome (45451015454).
The spelling of 12120013333 in words is "twelve billion, one hundred twenty million, thirteen thousand, three hundred thirty-three".
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