Base | Representation |
---|---|
bin | 100011100010110011… |
… | …001101000111000111 |
3 | 10122111202211100011010 |
4 | 203202303031013013 |
5 | 1111130142442411 |
6 | 25311020213303 |
7 | 2520521360100 |
oct | 434263150707 |
9 | 118452740133 |
10 | 38164812231 |
11 | 15205050337 |
12 | 749139a233 |
13 | 37a2ac2140 |
14 | 1bc09753a7 |
15 | ed582c7a6 |
hex | 8e2ccd1c7 |
38164812231 has 96 divisors (see below), whose sum is σ = 65457960960. Its totient is φ = 19598132736.
The previous prime is 38164812229. The next prime is 38164812253. The reversal of 38164812231 is 13221846183.
38164812231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 38164812231 - 21 = 38164812229 is a prime.
It is a super-2 number, since 2×381648122312 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a self number, because there is not a number n which added to its sum of digits gives 38164812231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38164812131) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11019006 + ... + 11022468.
It is an arithmetic number, because the mean of its divisors is an integer number (681853760).
Almost surely, 238164812231 is an apocalyptic number.
38164812231 is a deficient number, since it is larger than the sum of its proper divisors (27293148729).
38164812231 is a wasteful number, since it uses less digits than its factorization.
38164812231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3645 (or 3638 counting only the distinct ones).
The product of its digits is 55296, while the sum is 39.
The spelling of 38164812231 in words is "thirty-eight billion, one hundred sixty-four million, eight hundred twelve thousand, two hundred thirty-one".
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