Base | Representation |
---|---|
bin | 100000000010011011… |
… | …0110011001001101000 |
3 | 20120120212010102201020 |
4 | 1000010312303021220 |
5 | 2111401020412023 |
6 | 51335015052440 |
7 | 4653644301435 |
oct | 1000466631150 |
9 | 216525112636 |
10 | 68800950888 |
11 | 271a638579a |
12 | 11401371120 |
13 | 6645bc6c37 |
14 | 3489692b8c |
15 | 1bca211de3 |
hex | 1004db3268 |
68800950888 has 64 divisors (see below), whose sum is σ = 176531400000. Its totient is φ = 22337475072.
The previous prime is 68800950851. The next prime is 68800950913. The reversal of 68800950888 is 88805900886.
It is a super-4 number, since 4×688009508884 (a number of 44 digits) contains 4444 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97263 + ... + 383486.
It is an arithmetic number, because the mean of its divisors is an integer number (2758303125).
Almost surely, 268800950888 is an apocalyptic number.
It is an amenable number.
68800950888 is an abundant number, since it is smaller than the sum of its proper divisors (107730449112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68800950888 is a wasteful number, since it uses less digits than its factorization.
68800950888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 480914 (or 480910 counting only the distinct ones).
The product of its (nonzero) digits is 8847360, while the sum is 60.
The spelling of 68800950888 in words is "sixty-eight billion, eight hundred million, nine hundred fifty thousand, eight hundred eighty-eight".
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