Base | Representation |
---|---|
bin | 100100001001010100… |
… | …111100110101110101 |
3 | 10201011211002212110020 |
4 | 210021110330311311 |
5 | 1113441131131233 |
6 | 25455110315353 |
7 | 2542530460200 |
oct | 441124746565 |
9 | 121154085406 |
10 | 38811192693 |
11 | 155069a7569 |
12 | 7631958b59 |
13 | 38769a97a0 |
14 | 1c42752937 |
15 | 102245c9b3 |
hex | 90953cd75 |
38811192693 has 96 divisors (see below), whose sum is σ = 65616130944. Its totient is φ = 20224608768.
The previous prime is 38811192683. The next prime is 38811192697. The reversal of 38811192693 is 39629111883.
38811192693 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 38811192693 - 24 = 38811192677 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38811192697) 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, 83107246 + ... + 83107712.
It is an arithmetic number, because the mean of its divisors is an integer number (683501364).
Almost surely, 238811192693 is an apocalyptic number.
It is an amenable number.
38811192693 is a deficient number, since it is larger than the sum of its proper divisors (26804938251).
38811192693 is a wasteful number, since it uses less digits than its factorization.
38811192693 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 931 (or 924 counting only the distinct ones).
The product of its digits is 559872, while the sum is 51.
The spelling of 38811192693 in words is "thirty-eight billion, eight hundred eleven million, one hundred ninety-two thousand, six hundred ninety-three".
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