Base | Representation |
---|---|
bin | 1100110010110100… |
… | …01100010010010000 |
3 | 122201200202112002011 |
4 | 12121122030102100 |
5 | 103031344404113 |
6 | 3053325032304 |
7 | 332133250435 |
oct | 63132142220 |
9 | 18650675064 |
10 | 6868747408 |
11 | 2a05257656 |
12 | 13b83b5694 |
13 | 85606c2a3 |
14 | 492351b8c |
15 | 2a303e63d |
hex | 19968c490 |
6868747408 has 20 divisors (see below), whose sum is σ = 13387893120. Its totient is φ = 3413807264.
The previous prime is 6868747397. The next prime is 6868747427. The reversal of 6868747408 is 8047478686.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1282648 + ... + 1287991.
It is an arithmetic number, because the mean of its divisors is an integer number (669394656).
Almost surely, 26868747408 is an apocalyptic number.
It is an amenable number.
6868747408 is a deficient number, since it is larger than the sum of its proper divisors (6519145712).
6868747408 is a wasteful number, since it uses less digits than its factorization.
6868747408 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2570814 (or 2570808 counting only the distinct ones).
The product of its (nonzero) digits is 14450688, while the sum is 58.
The square root of 6868747408 is about 82877.9066337948. The cubic root of 6868747408 is about 1900.8996116579.
The spelling of 6868747408 in words is "six billion, eight hundred sixty-eight million, seven hundred forty-seven thousand, four hundred eight".
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