Base | Representation |
---|---|
bin | 101100001000100010… |
… | …010111010001001110 |
3 | 11112022112122000200012 |
4 | 230020202113101032 |
5 | 1234022243204230 |
6 | 33434130233222 |
7 | 3265213134200 |
oct | 541042272116 |
9 | 145275560605 |
10 | 47387866190 |
11 | 19108240285 |
12 | 9226125812 |
13 | 461283bc12 |
14 | 2417850770 |
15 | 13753b9395 |
hex | b0889744e |
47387866190 has 48 divisors (see below), whose sum is σ = 99249445152. Its totient is φ = 16243166016.
The previous prime is 47387866159. The next prime is 47387866193. The reversal of 47387866190 is 9166878374.
It is a super-2 number, since 2×473878661902 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47387866193) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2427047 + ... + 2446493.
It is an arithmetic number, because the mean of its divisors is an integer number (2067696774).
Almost surely, 247387866190 is an apocalyptic number.
47387866190 is an abundant number, since it is smaller than the sum of its proper divisors (51861578962).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47387866190 is a wasteful number, since it uses less digits than its factorization.
47387866190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24441 (or 24434 counting only the distinct ones).
The product of its (nonzero) digits is 12192768, while the sum is 59.
The spelling of 47387866190 in words is "forty-seven billion, three hundred eighty-seven million, eight hundred sixty-six thousand, one hundred ninety".
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