Base | Representation |
---|---|
bin | 1101111001001111011… |
… | …1000100001101000000 |
3 | 211211010200110212102221 |
4 | 3132103313010031000 |
5 | 12402331143342133 |
6 | 301354204420424 |
7 | 23150206364125 |
oct | 3362367041500 |
9 | 754120425387 |
10 | 238703887168 |
11 | 9226313750a |
12 | 3a319547714 |
13 | 196819c7b66 |
14 | b7a64a074c |
15 | 6321287a2d |
hex | 3793dc4340 |
238703887168 has 28 divisors (see below), whose sum is σ = 479673960640. Its totient is φ = 117841156992.
The previous prime is 238703887157. The next prime is 238703887241. The reversal of 238703887168 is 861788307832.
It is a super-2 number, since 2×2387038871682 (a number of 24 digits) contains 22 as substring.
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, 23600946 + ... + 23611057.
It is an arithmetic number, because the mean of its divisors is an integer number (17131212880).
Almost surely, 2238703887168 is an apocalyptic number.
It is an amenable number.
238703887168 is an abundant number, since it is smaller than the sum of its proper divisors (240970073472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238703887168 is an equidigital number, since it uses as much as digits as its factorization.
238703887168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47212094 (or 47212084 counting only the distinct ones).
The product of its (nonzero) digits is 21676032, while the sum is 61.
The spelling of 238703887168 in words is "two hundred thirty-eight billion, seven hundred three million, eight hundred eighty-seven thousand, one hundred sixty-eight".
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