Base | Representation |
---|---|
bin | 100011100011000010… |
… | …101011001101101000 |
3 | 10122112001110101012020 |
4 | 203203002223031220 |
5 | 1111132212231223 |
6 | 25311243144440 |
7 | 2520601010430 |
oct | 434302531550 |
9 | 118461411166 |
10 | 38168867688 |
11 | 15207370256 |
12 | 7492815120 |
13 | 37a38b2013 |
14 | 1bc130d2c0 |
15 | ed5d7e1e3 |
hex | 8e30ab368 |
38168867688 has 32 divisors (see below), whose sum is σ = 109053908160. Its totient is φ = 10905390720.
The previous prime is 38168867683. The next prime is 38168867749. The reversal of 38168867688 is 88676886183.
It is a happy number.
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (38168867683) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113597653 + ... + 113597988.
It is an arithmetic number, because the mean of its divisors is an integer number (3407934630).
Almost surely, 238168867688 is an apocalyptic number.
It is an amenable number.
38168867688 is an abundant number, since it is smaller than the sum of its proper divisors (70885040472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38168867688 is a wasteful number, since it uses less digits than its factorization.
38168867688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 227195657 (or 227195653 counting only the distinct ones).
The product of its digits is 148635648, while the sum is 69.
The spelling of 38168867688 in words is "thirty-eight billion, one hundred sixty-eight million, eight hundred sixty-seven thousand, six hundred eighty-eight".
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