Base | Representation |
---|---|
bin | 100100001001000011… |
… | …111110110000111010 |
3 | 10201011111201212011100 |
4 | 210021003332300322 |
5 | 1113434011302442 |
6 | 25454431112230 |
7 | 2542444611456 |
oct | 441103766072 |
9 | 121144655140 |
10 | 38806744122 |
11 | 15504439263 |
12 | 7630372676 |
13 | 3875aac9b3 |
14 | 1c41d15666 |
15 | 1021d7e84c |
hex | 9090fec3a |
38806744122 has 48 divisors (see below), whose sum is σ = 85715884800. Its totient is φ = 12686381376.
The previous prime is 38806744091. The next prime is 38806744127. The reversal of 38806744122 is 22144760883.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (38806744127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109879 + ... + 299477.
It is an arithmetic number, because the mean of its divisors is an integer number (1785747600).
Almost surely, 238806744122 is an apocalyptic number.
38806744122 is an abundant number, since it is smaller than the sum of its proper divisors (46909140678).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38806744122 is a wasteful number, since it uses less digits than its factorization.
38806744122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 189827 (or 189824 counting only the distinct ones).
The product of its (nonzero) digits is 516096, while the sum is 45.
The spelling of 38806744122 in words is "thirty-eight billion, eight hundred six million, seven hundred forty-four thousand, one hundred twenty-two".
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