Base | Representation |
---|---|
bin | 11001001010001001… |
… | …01111011111011111 |
3 | 1021212022121201021000 |
4 | 30211010233133133 |
5 | 210130231330413 |
6 | 10112135441343 |
7 | 655466525661 |
oct | 144504573737 |
9 | 37768551230 |
10 | 13506901983 |
11 | 5801326413 |
12 | 274b526253 |
13 | 13734024c3 |
14 | 921bda531 |
15 | 540bd0073 |
hex | 32512f7df |
13506901983 has 32 divisors (see below), whose sum is σ = 20150507520. Its totient is φ = 8941704480.
The previous prime is 13506901981. The next prime is 13506902029. The reversal of 13506901983 is 38910960531.
It is not a de Polignac number, because 13506901983 - 21 = 13506901981 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13506901981) 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, 2323066 + ... + 2328872.
It is an arithmetic number, because the mean of its divisors is an integer number (629703360).
Almost surely, 213506901983 is an apocalyptic number.
13506901983 is a deficient number, since it is larger than the sum of its proper divisors (6643605537).
13506901983 is a wasteful number, since it uses less digits than its factorization.
13506901983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6404 (or 6398 counting only the distinct ones).
The product of its (nonzero) digits is 174960, while the sum is 45.
The spelling of 13506901983 in words is "thirteen billion, five hundred six million, nine hundred one thousand, nine hundred eighty-three".
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