Base | Representation |
---|---|
bin | 1111110011110100… |
… | …00000010100111000 |
3 | 210220112002211012200 |
4 | 13321322000110320 |
5 | 114340322343033 |
6 | 3522120510200 |
7 | 420222154242 |
oct | 77172002470 |
9 | 23815084180 |
10 | 8487699768 |
11 | 36660a3509 |
12 | 178a61b360 |
13 | a535ac672 |
14 | 5a737b092 |
15 | 34a234013 |
hex | 1f9e80538 |
8487699768 has 96 divisors (see below), whose sum is σ = 23163978240. Its totient is φ = 2807608320.
The previous prime is 8487699751. The next prime is 8487699797. The reversal of 8487699768 is 8679967848.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a junction number, because it is equal to n+sod(n) for n = 8487699696 and 8487699705.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6424548 + ... + 6425868.
It is an arithmetic number, because the mean of its divisors is an integer number (241291440).
Almost surely, 28487699768 is an apocalyptic number.
It is an amenable number.
8487699768 is an abundant number, since it is smaller than the sum of its proper divisors (14676278472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8487699768 is a wasteful number, since it uses less digits than its factorization.
8487699768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1949 (or 1942 counting only the distinct ones).
The product of its digits is 292626432, while the sum is 72.
The square root of 8487699768 is about 92128.7130486473. The cubic root of 8487699768 is about 2039.8426579916.
The spelling of 8487699768 in words is "eight billion, four hundred eighty-seven million, six hundred ninety-nine thousand, seven hundred sixty-eight".
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