Base | Representation |
---|---|
bin | 1100110010101101… |
… | …10100110010101100 |
3 | 122201122002200022001 |
4 | 12121112310302230 |
5 | 103031133132443 |
6 | 3053254102044 |
7 | 332122613203 |
oct | 63126646254 |
9 | 18648080261 |
10 | 6867864748 |
11 | 2a04804488 |
12 | 13b804a924 |
13 | 855b205c4 |
14 | 4921a223a |
15 | 2a2e17d4d |
hex | 1995b4cac |
6867864748 has 72 divisors (see below), whose sum is σ = 13091349600. Its totient is φ = 3141388800.
The previous prime is 6867864743. The next prime is 6867864749. The reversal of 6867864748 is 8474687686.
It is a super-2 number, since 2×68678647482 = 94335132393642207008, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 6867864748.
It is not an unprimeable number, because it can be changed into a prime (6867864743) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45482473 + ... + 45482623.
It is an arithmetic number, because the mean of its divisors is an integer number (181824300).
Almost surely, 26867864748 is an apocalyptic number.
6867864748 is a gapful number since it is divisible by the number (68) formed by its first and last digit.
It is an amenable number.
6867864748 is a deficient number, since it is larger than the sum of its proper divisors (6223484852).
6867864748 is a wasteful number, since it uses less digits than its factorization.
6867864748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 455 (or 386 counting only the distinct ones).
The product of its digits is 86704128, while the sum is 64.
The square root of 6867864748 is about 82872.5814006056. The cubic root of 6867864748 is about 1900.8181839086.
The spelling of 6867864748 in words is "six billion, eight hundred sixty-seven million, eight hundred sixty-four thousand, seven hundred forty-eight".
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