Base | Representation |
---|---|
bin | 100101001100000011… |
… | …010101001010111000 |
3 | 10211001211120001101011 |
4 | 211030003111022320 |
5 | 1123234221202344 |
6 | 30202140203304 |
7 | 2612342621056 |
oct | 451403251270 |
9 | 124054501334 |
10 | 39930647224 |
11 | 15a3089a2a6 |
12 | 78a4839534 |
13 | 39c48ac510 |
14 | 1d0b2b71d6 |
15 | 108a887d34 |
hex | 94c0d52b8 |
39930647224 has 32 divisors (see below), whose sum is σ = 81112036320. Its totient is φ = 18319165056.
The previous prime is 39930647221. The next prime is 39930647257. The reversal of 39930647224 is 42274603993.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39930647221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132179 + ... + 1166914.
It is an arithmetic number, because the mean of its divisors is an integer number (2534751135).
Almost surely, 239930647224 is an apocalyptic number.
It is an amenable number.
39930647224 is an abundant number, since it is smaller than the sum of its proper divisors (41181389096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39930647224 is a wasteful number, since it uses less digits than its factorization.
39930647224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2299279 (or 2299275 counting only the distinct ones).
The product of its (nonzero) digits is 1959552, while the sum is 49.
The spelling of 39930647224 in words is "thirty-nine billion, nine hundred thirty million, six hundred forty-seven thousand, two hundred twenty-four".
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