Base | Representation |
---|---|
bin | 1011110110011100101001… |
… | …1000100011001100111101 |
3 | 1201010122210021120200200101 |
4 | 2331213022120203030331 |
5 | 3201441000444221140 |
6 | 43413525210201101 |
7 | 2513250215061046 |
oct | 275471230431475 |
9 | 51118707520611 |
10 | 13030031242045 |
11 | 4174006a423a4 |
12 | 1565383123191 |
13 | 73695a66b91c |
14 | 33092a6838cd |
15 | 178e1add299a |
hex | bd9ca62333d |
13030031242045 has 32 divisors (see below), whose sum is σ = 15756228770688. Its totient is φ = 10344143417088.
The previous prime is 13030031241959. The next prime is 13030031242049. The reversal of 13030031242045 is 54024213003031.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 13030031242045 - 223 = 13030022853437 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13030031242049) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1298194767 + ... + 1298204803.
It is an arithmetic number, because the mean of its divisors is an integer number (492382149084).
Almost surely, 213030031242045 is an apocalyptic number.
It is an amenable number.
13030031242045 is a deficient number, since it is larger than the sum of its proper divisors (2726197528643).
13030031242045 is a wasteful number, since it uses less digits than its factorization.
13030031242045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12909.
The product of its (nonzero) digits is 8640, while the sum is 28.
Adding to 13030031242045 its reverse (54024213003031), we get a palindrome (67054244245076).
The spelling of 13030031242045 in words is "thirteen trillion, thirty billion, thirty-one million, two hundred forty-two thousand, forty-five".
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