Base | Representation |
---|---|
bin | 1011010100011001010100… |
… | …1111111000000011010101 |
3 | 1122001201210010200000011120 |
4 | 2311012111033320003111 |
5 | 3112344402200122240 |
6 | 42245055403354153 |
7 | 2423060205341052 |
oct | 265062517700325 |
9 | 48051703600146 |
10 | 12445024223445 |
11 | 3a689a5807720 |
12 | 148bb19522959 |
13 | 6c3739c70958 |
14 | 3104b1718029 |
15 | 168acc43ead0 |
hex | b51953f80d5 |
12445024223445 has 128 divisors (see below), whose sum is σ = 23165502750720. Its totient is φ = 5644763393280.
The previous prime is 12445024223407. The next prime is 12445024223447. The reversal of 12445024223445 is 54432242054421.
12445024223445 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 12445024223445 - 26 = 12445024223381 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12445024223397 and 12445024223406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12445024223447) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 256642992 + ... + 256691478.
It is an arithmetic number, because the mean of its divisors is an integer number (180980490240).
Almost surely, 212445024223445 is an apocalyptic number.
12445024223445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12445024223445 is a deficient number, since it is larger than the sum of its proper divisors (10720478527275).
12445024223445 is a wasteful number, since it uses less digits than its factorization.
12445024223445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50015.
The product of its (nonzero) digits is 1228800, while the sum is 42.
Adding to 12445024223445 its reverse (54432242054421), we get a palindrome (66877266277866).
The spelling of 12445024223445 in words is "twelve trillion, four hundred forty-five billion, twenty-four million, two hundred twenty-three thousand, four hundred forty-five".
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