Base | Representation |
---|---|
bin | 1111100001011… |
… | …11100100110111 |
3 | 100002000202220211 |
4 | 13300233210313 |
5 | 231313441140 |
6 | 20531010251 |
7 | 3140560114 |
oct | 760574467 |
9 | 302022824 |
10 | 130218295 |
11 | 67560a29 |
12 | 37739987 |
13 | 20c93c5c |
14 | 1341990b |
15 | b6732ea |
hex | 7c2f937 |
130218295 has 8 divisors (see below), whose sum is σ = 163056096. Its totient is φ = 99645216.
The previous prime is 130218293. The next prime is 130218299. The reversal of 130218295 is 592812031.
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 130218295 - 21 = 130218293 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130218293) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566052 + ... + 566281.
It is an arithmetic number, because the mean of its divisors is an integer number (20382012).
Almost surely, 2130218295 is an apocalyptic number.
130218295 is a deficient number, since it is larger than the sum of its proper divisors (32837801).
130218295 is a wasteful number, since it uses less digits than its factorization.
130218295 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1132361.
The product of its (nonzero) digits is 4320, while the sum is 31.
The square root of 130218295 is about 11411.3231047061. The cubic root of 130218295 is about 506.8630915935.
It can be divided in two parts, 13021 and 8295, that added together give a square (21316 = 1462).
The spelling of 130218295 in words is "one hundred thirty million, two hundred eighteen thousand, two hundred ninety-five".
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