Base | Representation |
---|---|
bin | 11000111110000001… |
… | …10101110101101001 |
3 | 1021121020021112110101 |
4 | 30133000311311221 |
5 | 204423213403410 |
6 | 10054104145401 |
7 | 653123312461 |
oct | 143700656551 |
9 | 37536245411 |
10 | 13405216105 |
11 | 57599932a6 |
12 | 2721468261 |
13 | 135831b548 |
14 | 9124caba1 |
15 | 536ce5d3a |
hex | 31f035d69 |
13405216105 has 8 divisors (see below), whose sum is σ = 16167096000. Its totient is φ = 10670281776.
The previous prime is 13405216067. The next prime is 13405216169. The reversal of 13405216105 is 50161250431.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13405216105 - 211 = 13405214057 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6735295 + ... + 6737284.
It is an arithmetic number, because the mean of its divisors is an integer number (2020887000).
Almost surely, 213405216105 is an apocalyptic number.
It is an amenable number.
13405216105 is a deficient number, since it is larger than the sum of its proper divisors (2761879895).
13405216105 is a wasteful number, since it uses less digits than its factorization.
13405216105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13472783.
The product of its (nonzero) digits is 3600, while the sum is 28.
Adding to 13405216105 its reverse (50161250431), we get a palindrome (63566466536).
The spelling of 13405216105 in words is "thirteen billion, four hundred five million, two hundred sixteen thousand, one hundred five".
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