Base | Representation |
---|---|
bin | 10111001011100111… |
… | …00011111010000001 |
3 | 1012010100021112012111 |
4 | 23211303203322001 |
5 | 200442012332343 |
6 | 5414540455321 |
7 | 620260303414 |
oct | 134563437201 |
9 | 35110245174 |
10 | 12445433473 |
11 | 5307139410 |
12 | 24b3b4a541 |
13 | 1234522b25 |
14 | 860c4bb7b |
15 | 4cc90ac9d |
hex | 2e5ce3e81 |
12445433473 has 8 divisors (see below), whose sum is σ = 13578680736. Its totient is φ = 11312493600.
The previous prime is 12445433443. The next prime is 12445433477. The reversal of 12445433473 is 37433454421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12445433473 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12445433477) 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, 12318 + ... + 158248.
It is an arithmetic number, because the mean of its divisors is an integer number (1697335092).
Almost surely, 212445433473 is an apocalyptic number.
It is an amenable number.
12445433473 is a deficient number, since it is larger than the sum of its proper divisors (1133247263).
12445433473 is a wasteful number, since it uses less digits than its factorization.
12445433473 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 153695.
The product of its digits is 483840, while the sum is 40.
Adding to 12445433473 its reverse (37433454421), we get a palindrome (49878887894).
The spelling of 12445433473 in words is "twelve billion, four hundred forty-five million, four hundred thirty-three thousand, four hundred seventy-three".
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