Base | Representation |
---|---|
bin | 1111100010100… |
… | …01000111010001 |
3 | 100002021202100121 |
4 | 13301101013101 |
5 | 231332340130 |
6 | 20533550241 |
7 | 3142001446 |
oct | 761210721 |
9 | 302252317 |
10 | 130355665 |
11 | 67645160 |
12 | 377a5381 |
13 | 2101163b |
14 | 134539cd |
15 | b69dd7a |
hex | 7c511d1 |
130355665 has 8 divisors (see below), whose sum is σ = 170647488. Its totient is φ = 94804080.
The previous prime is 130355663. The next prime is 130355671. The reversal of 130355665 is 566553031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 130355665 - 21 = 130355663 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 130355665.
It is not an unprimeable number, because it can be changed into a prime (130355663) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1184997 + ... + 1185106.
It is an arithmetic number, because the mean of its divisors is an integer number (21330936).
Almost surely, 2130355665 is an apocalyptic number.
It is an amenable number.
130355665 is a deficient number, since it is larger than the sum of its proper divisors (40291823).
130355665 is a wasteful number, since it uses less digits than its factorization.
130355665 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2370119.
The product of its (nonzero) digits is 40500, while the sum is 34.
The square root of 130355665 is about 11417.3405397229. The cubic root of 130355665 is about 507.0412624445.
The spelling of 130355665 in words is "one hundred thirty million, three hundred fifty-five thousand, six hundred sixty-five".
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