Base | Representation |
---|---|
bin | 1000000111100… |
… | …01110000000110 |
3 | 11202010210101002 |
4 | 10003301300012 |
5 | 114413132303 |
6 | 10431333302 |
7 | 1454555405 |
oct | 403616006 |
9 | 152123332 |
10 | 68099078 |
11 | 35492933 |
12 | 1a981232 |
13 | 11154518 |
14 | 908963c |
15 | 5ea2788 |
hex | 40f1c06 |
68099078 has 16 divisors (see below), whose sum is σ = 108129840. Its totient is φ = 32076000.
The previous prime is 68099063. The next prime is 68099081. The reversal of 68099078 is 87099086.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1928 + ... + 11828.
It is an arithmetic number, because the mean of its divisors is an integer number (6758115).
Almost surely, 268099078 is an apocalyptic number.
68099078 is a deficient number, since it is larger than the sum of its proper divisors (40030762).
68099078 is a wasteful number, since it uses less digits than its factorization.
68099078 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10103.
The product of its (nonzero) digits is 217728, while the sum is 47.
The square root of 68099078 is about 8252.2165507214. The cubic root of 68099078 is about 408.3636503753.
The spelling of 68099078 in words is "sixty-eight million, ninety-nine thousand, seventy-eight".
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