Base | Representation |
---|---|
bin | 1000001101000… |
… | …00101001101100 |
3 | 11210111012002001 |
4 | 10012200221230 |
5 | 120104043333 |
6 | 10454542044 |
7 | 1463631121 |
oct | 406405154 |
9 | 153435061 |
10 | 68815468 |
11 | 35932097 |
12 | 1b067924 |
13 | 11345617 |
14 | 91d4748 |
15 | 6094b7d |
hex | 41a0a6c |
68815468 has 12 divisors (see below), whose sum is σ = 120625960. Its totient is φ = 34350912.
The previous prime is 68815459. The next prime is 68815493. The reversal of 68815468 is 86451886.
It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.
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, 11421 + ... + 16372.
Almost surely, 268815468 is an apocalyptic number.
It is an amenable number.
68815468 is a deficient number, since it is larger than the sum of its proper divisors (51810492).
68815468 is a wasteful number, since it uses less digits than its factorization.
68815468 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28416 (or 28414 counting only the distinct ones).
The product of its digits is 368640, while the sum is 46.
The square root of 68815468 is about 8295.5089054259. The cubic root of 68815468 is about 409.7906287736.
The spelling of 68815468 in words is "sixty-eight million, eight hundred fifteen thousand, four hundred sixty-eight".
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