Base | Representation |
---|---|
bin | 10111001100100100… |
… | …00111100110111000 |
3 | 1012010220100111121120 |
4 | 23212102013212320 |
5 | 201001040202044 |
6 | 5415424305240 |
7 | 620415345660 |
oct | 134622074670 |
9 | 35126314546 |
10 | 12453444024 |
11 | 531070a8aa |
12 | 24b6772220 |
13 | 1236098cb8 |
14 | 861d351a0 |
15 | 4cd48e519 |
hex | 2e64879b8 |
12453444024 has 128 divisors (see below), whose sum is σ = 37172874240. Its totient is φ = 3399340032.
The previous prime is 12453443983. The next prime is 12453444041. The reversal of 12453444024 is 42044435421.
12453444024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Cunningham number, because it is equal to 1115952-1.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 4685704 + ... + 4688360.
It is an arithmetic number, because the mean of its divisors is an integer number (290413080).
Almost surely, 212453444024 is an apocalyptic number.
12453444024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12453444024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18586437120).
12453444024 is an abundant number, since it is smaller than the sum of its proper divisors (24719430216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12453444024 is a wasteful number, since it uses less digits than its factorization.
12453444024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3909 (or 3905 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 33.
Adding to 12453444024 its reverse (42044435421), we get a palindrome (54497879445).
The spelling of 12453444024 in words is "twelve billion, four hundred fifty-three million, four hundred forty-four thousand, twenty-four".
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