Base | Representation |
---|---|
bin | 100101001111000010… |
… | …001101101110001011 |
3 | 10211012022201021222021 |
4 | 211033002031232023 |
5 | 1123340023424334 |
6 | 30211124505311 |
7 | 2613521140255 |
oct | 451702155613 |
9 | 124168637867 |
10 | 39980686219 |
11 | 15a57067341 |
12 | 78b954b237 |
13 | 3a0207c5a6 |
14 | 1d13bc0cd5 |
15 | 108ee6e3b4 |
hex | 94f08db8b |
39980686219 has 8 divisors (see below), whose sum is σ = 41065239600. Its totient is φ = 38896343136.
The previous prime is 39980686199. The next prime is 39980686271. The reversal of 39980686219 is 91268608993.
39980686219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 39980686219 - 231 = 37833202571 is a prime.
It is a super-2 number, since 2×399806862192 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (39980686519) 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, 380532 + ... + 474094.
It is an arithmetic number, because the mean of its divisors is an integer number (5133154950).
Almost surely, 239980686219 is an apocalyptic number.
39980686219 is a deficient number, since it is larger than the sum of its proper divisors (1084553381).
39980686219 is a wasteful number, since it uses less digits than its factorization.
39980686219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105149.
The product of its (nonzero) digits is 10077696, while the sum is 61.
The spelling of 39980686219 in words is "thirty-nine billion, nine hundred eighty million, six hundred eighty-six thousand, two hundred nineteen".
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