Base | Representation |
---|---|
bin | 11001101111111111… |
… | …11011011110111111 |
3 | 1022200110001122221010 |
4 | 30313333323132333 |
5 | 211303022014422 |
6 | 10203441010303 |
7 | 666403345002 |
oct | 146777733677 |
9 | 38613048833 |
10 | 13824407487 |
11 | 5954576a60 |
12 | 2819923993 |
13 | 13c411c197 |
14 | 952049539 |
15 | 55d9eab0c |
hex | 337ffb7bf |
13824407487 has 16 divisors (see below), whose sum is σ = 20115180288. Its totient is φ = 8375532480.
The previous prime is 13824407447. The next prime is 13824407489. The reversal of 13824407487 is 78470442831.
It is not a de Polignac number, because 13824407487 - 220 = 13823358911 is a prime.
It is a super-2 number, since 2×138244074872 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13824407489) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26518 + ... + 168380.
It is an arithmetic number, because the mean of its divisors is an integer number (1257198768).
Almost surely, 213824407487 is an apocalyptic number.
13824407487 is a deficient number, since it is larger than the sum of its proper divisors (6290772801).
13824407487 is a wasteful number, since it uses less digits than its factorization.
13824407487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 144830.
The product of its (nonzero) digits is 1204224, while the sum is 48.
The spelling of 13824407487 in words is "thirteen billion, eight hundred twenty-four million, four hundred seven thousand, four hundred eighty-seven".
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