Base | Representation |
---|---|
bin | 1010011111011001… |
… | …1111111000110111 |
3 | 21021020221202112110 |
4 | 2213312133320313 |
5 | 21231404101323 |
6 | 1143234222103 |
7 | 126533204016 |
oct | 24766377067 |
9 | 7236852473 |
10 | 2816081463 |
11 | 1215671758 |
12 | 667124933 |
13 | 35b56abc0 |
14 | 1ca00ca7d |
15 | 117364793 |
hex | a7d9fe37 |
2816081463 has 8 divisors (see below), whose sum is σ = 4043604208. Its totient is φ = 1732973184.
The previous prime is 2816081461. The next prime is 2816081483. The reversal of 2816081463 is 3641806182.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2816081463 - 21 = 2816081461 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 72207217 = 2816081463 / (2 + 8 + 1 + 6 + 0 + 8 + 1 + 4 + 6 + 3).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2816081461) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36103570 + ... + 36103647.
It is an arithmetic number, because the mean of its divisors is an integer number (505450526).
Almost surely, 22816081463 is an apocalyptic number.
2816081463 is a deficient number, since it is larger than the sum of its proper divisors (1227522745).
2816081463 is a wasteful number, since it uses less digits than its factorization.
2816081463 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72207233.
The product of its (nonzero) digits is 55296, while the sum is 39.
The square root of 2816081463 is about 53066.7642032186. The cubic root of 2816081463 is about 1412.1529510809.
The spelling of 2816081463 in words is "two billion, eight hundred sixteen million, eighty-one thousand, four hundred sixty-three".
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