Base | Representation |
---|---|
bin | 100100000001000001… |
… | …010110000101110001 |
3 | 10200211002212210022220 |
4 | 210001001112011301 |
5 | 1113144442214010 |
6 | 25433211351253 |
7 | 2536216115052 |
oct | 440101260561 |
9 | 120732783286 |
10 | 38671835505 |
11 | 15445274436 |
12 | 75b3152529 |
13 | 3853b65c04 |
14 | 1c2c038729 |
15 | 10150d1970 |
hex | 901056171 |
38671835505 has 32 divisors (see below), whose sum is σ = 62079899904. Its totient is φ = 20556746496.
The previous prime is 38671835479. The next prime is 38671835509. The reversal of 38671835505 is 50553817683.
It is not a de Polignac number, because 38671835505 - 212 = 38671831409 is a prime.
It is a super-2 number, since 2×386718355052 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (38671835509) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13319884 + ... + 13322786.
It is an arithmetic number, because the mean of its divisors is an integer number (1939996872).
Almost surely, 238671835505 is an apocalyptic number.
It is an amenable number.
38671835505 is a deficient number, since it is larger than the sum of its proper divisors (23408064399).
38671835505 is a wasteful number, since it uses less digits than its factorization.
38671835505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5545.
The product of its (nonzero) digits is 3024000, while the sum is 51.
The spelling of 38671835505 in words is "thirty-eight billion, six hundred seventy-one million, eight hundred thirty-five thousand, five hundred five".
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