Base | Representation |
---|---|
bin | 10111001100101010… |
… | …00101110010100101 |
3 | 1012010221211002012000 |
4 | 23212111011302211 |
5 | 201001240114023 |
6 | 5415453115513 |
7 | 620425102041 |
oct | 134625056245 |
9 | 35127732160 |
10 | 12454223013 |
11 | 53110a20a1 |
12 | 24b6a88b99 |
13 | 12362ac73b |
14 | 862099021 |
15 | 4cd595243 |
hex | 2e6545ca5 |
12454223013 has 16 divisors (see below), whose sum is σ = 18452427840. Its totient is φ = 8302038192.
The previous prime is 12454223009. The next prime is 12454223071. The reversal of 12454223013 is 31032245421.
12454223013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12454223013 - 22 = 12454223009 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12454223003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511995 + ... + 535767.
It is an arithmetic number, because the mean of its divisors is an integer number (1153276740).
Almost surely, 212454223013 is an apocalyptic number.
It is an amenable number.
12454223013 is a deficient number, since it is larger than the sum of its proper divisors (5998204827).
12454223013 is a wasteful number, since it uses less digits than its factorization.
12454223013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43185 (or 43179 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
Adding to 12454223013 its reverse (31032245421), we get a palindrome (43486468434).
The spelling of 12454223013 in words is "twelve billion, four hundred fifty-four million, two hundred twenty-three thousand, thirteen".
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