Base | Representation |
---|---|
bin | 1000001011001… |
… | …00011100101110 |
3 | 11210000122211002 |
4 | 10011210130232 |
5 | 120023201003 |
6 | 10445400302 |
7 | 1461553160 |
oct | 405443456 |
9 | 153018732 |
10 | 68568878 |
11 | 357838a4 |
12 | 1ab69092 |
13 | 1128a301 |
14 | 916c930 |
15 | 6046a88 |
hex | 416472e |
68568878 has 8 divisors (see below), whose sum is σ = 117546672. Its totient is φ = 29386656.
The previous prime is 68568859. The next prime is 68568887. The reversal of 68568878 is 87886586.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2448875 + ... + 2448902.
It is an arithmetic number, because the mean of its divisors is an integer number (14693334).
Almost surely, 268568878 is an apocalyptic number.
68568878 is a deficient number, since it is larger than the sum of its proper divisors (48977794).
68568878 is a wasteful number, since it uses less digits than its factorization.
68568878 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4897786.
The product of its digits is 5160960, while the sum is 56.
The square root of 68568878 is about 8280.6327052949. The cubic root of 68568878 is about 409.3005683531.
The spelling of 68568878 in words is "sixty-eight million, five hundred sixty-eight thousand, eight hundred seventy-eight".
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