Base | Representation |
---|---|
bin | 10000010000100000… |
… | …11100110111101001 |
3 | 211112022010221211210 |
4 | 20020100130313221 |
5 | 120333441333443 |
6 | 4002041143333 |
7 | 426204504312 |
oct | 101020346751 |
9 | 24468127753 |
10 | 8728464873 |
11 | 3779a99937 |
12 | 183718ab49 |
13 | a9143a81b |
14 | 5cb331609 |
15 | 361441c33 |
hex | 20841cde9 |
8728464873 has 8 divisors (see below), whose sum is σ = 12013371136. Its totient is φ = 5631267600.
The previous prime is 8728464869. The next prime is 8728464889. The reversal of 8728464873 is 3784648278.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 8728464873 - 22 = 8728464869 is a prime.
It is a super-2 number, since 2×87284648732 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8728468873) 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, 46927138 + ... + 46927323.
It is an arithmetic number, because the mean of its divisors is an integer number (1501671392).
Almost surely, 28728464873 is an apocalyptic number.
It is an amenable number.
8728464873 is a deficient number, since it is larger than the sum of its proper divisors (3284906263).
8728464873 is a wasteful number, since it uses less digits than its factorization.
8728464873 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93854495.
The product of its digits is 14450688, while the sum is 57.
The square root of 8728464873 is about 93426.2536603069. The cubic root of 8728464873 is about 2058.9507391755.
The spelling of 8728464873 in words is "eight billion, seven hundred twenty-eight million, four hundred sixty-four thousand, eight hundred seventy-three".
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