Base | Representation |
---|---|
bin | 1111100111001… |
… | …01111011010101 |
3 | 100010102201111011 |
4 | 13303211323111 |
5 | 232011341310 |
6 | 20555012221 |
7 | 3150120520 |
oct | 763457325 |
9 | 303381434 |
10 | 130965205 |
11 | 67a21108 |
12 | 37a3a071 |
13 | 21195c07 |
14 | 13571bb7 |
15 | b76e78a |
hex | 7ce5ed5 |
130965205 has 8 divisors (see below), whose sum is σ = 179609472. Its totient is φ = 89804688.
The previous prime is 130965203. The next prime is 130965209. The reversal of 130965205 is 502569031.
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 130965205 - 21 = 130965203 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130965203) 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, 1870897 + ... + 1870966.
It is an arithmetic number, because the mean of its divisors is an integer number (22451184).
Almost surely, 2130965205 is an apocalyptic number.
It is an amenable number.
130965205 is a deficient number, since it is larger than the sum of its proper divisors (48644267).
130965205 is an equidigital number, since it uses as much as digits as its factorization.
130965205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3741875.
The product of its (nonzero) digits is 8100, while the sum is 31.
The square root of 130965205 is about 11444.0030146798. The cubic root of 130965205 is about 507.8303381284.
The spelling of 130965205 in words is "one hundred thirty million, nine hundred sixty-five thousand, two hundred five".
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