Base | Representation |
---|---|
bin | 1111100111010… |
… | …11001101111110 |
3 | 100010110211012212 |
4 | 13303223031332 |
5 | 232013040003 |
6 | 20555300422 |
7 | 3150240641 |
oct | 763531576 |
9 | 303424185 |
10 | 130986878 |
11 | 67a36420 |
12 | 37a4a712 |
13 | 211a2a39 |
14 | 13579a58 |
15 | b775dd8 |
hex | 7ceb37e |
130986878 has 8 divisors (see below), whose sum is σ = 214342200. Its totient is φ = 59539480.
The previous prime is 130986871. The next prime is 130986883. The reversal of 130986878 is 878689031.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130986871) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2976953 + ... + 2976996.
It is an arithmetic number, because the mean of its divisors is an integer number (26792775).
Almost surely, 2130986878 is an apocalyptic number.
130986878 is a deficient number, since it is larger than the sum of its proper divisors (83355322).
130986878 is a wasteful number, since it uses less digits than its factorization.
130986878 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5953962.
The product of its (nonzero) digits is 580608, while the sum is 50.
The square root of 130986878 is about 11444.9498906723. The cubic root of 130986878 is about 507.8583496394.
The spelling of 130986878 in words is "one hundred thirty million, nine hundred eighty-six thousand, eight hundred seventy-eight".
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