Base | Representation |
---|---|
bin | 100011100010111010… |
… | …111001001011111001 |
3 | 10122111220121201221200 |
4 | 203202322321023321 |
5 | 1111131201442034 |
6 | 25311131324413 |
7 | 2520544453230 |
oct | 434272711371 |
9 | 118456551850 |
10 | 38166827769 |
11 | 152061a7674 |
12 | 7491bb0709 |
13 | 37a3349675 |
14 | 1bc0d3bb17 |
15 | ed5ac9a99 |
hex | 8e2eb92f9 |
38166827769 has 12 divisors (see below), whose sum is σ = 63005557056. Its totient is φ = 21809615832.
The previous prime is 38166827767. The next prime is 38166827773. The reversal of 38166827769 is 96772866183.
It is not a de Polignac number, because 38166827769 - 21 = 38166827767 is a prime.
It is a super-2 number, since 2×381668277692 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 605822663 = 38166827769 / (3 + 8 + 1 + 6 + 6 + 8 + 2 + 7 + 7 + 6 + 9).
It is not an unprimeable number, because it can be changed into a prime (38166827767) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 302911269 + ... + 302911394.
It is an arithmetic number, because the mean of its divisors is an integer number (5250463088).
Almost surely, 238166827769 is an apocalyptic number.
It is an amenable number.
38166827769 is a deficient number, since it is larger than the sum of its proper divisors (24838729287).
38166827769 is a wasteful number, since it uses less digits than its factorization.
38166827769 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 605822676 (or 605822673 counting only the distinct ones).
The product of its digits is 36578304, while the sum is 63.
The spelling of 38166827769 in words is "thirty-eight billion, one hundred sixty-six million, eight hundred twenty-seven thousand, seven hundred sixty-nine".
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