Base | Representation |
---|---|
bin | 100011111111011100… |
… | …101101011101011011 |
3 | 10200202021020111122102 |
4 | 203333130231131123 |
5 | 1113121214022213 |
6 | 25430430114015 |
7 | 2535445642043 |
oct | 437734553533 |
9 | 120667214572 |
10 | 38645454683 |
11 | 15431396100 |
12 | 75a634b90b |
13 | 384b55a364 |
14 | 1c2872c723 |
15 | 1012b20158 |
hex | 8ff72d75b |
38645454683 has 12 divisors (see below), whose sum is σ = 42643380360. Its totient is φ = 34995502080.
The previous prime is 38645454671. The next prime is 38645454689.
38645454683 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 38645454683 - 220 = 38644406107 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38645454689) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 590273 + ... + 652466.
It is an arithmetic number, because the mean of its divisors is an integer number (3553615030).
Almost surely, 238645454683 is an apocalyptic number.
38645454683 is a deficient number, since it is larger than the sum of its proper divisors (3997925677).
38645454683 is a wasteful number, since it uses less digits than its factorization.
38645454683 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1243018 (or 1243007 counting only the distinct ones).
The product of its digits is 33177600, while the sum is 56.
The spelling of 38645454683 in words is "thirty-eight billion, six hundred forty-five million, four hundred fifty-four thousand, six hundred eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •