Base | Representation |
---|---|
bin | 1111100000111… |
… | …11111011011101 |
3 | 100001220112000010 |
4 | 13300133323131 |
5 | 231304413310 |
6 | 20525353433 |
7 | 3140202216 |
oct | 760377335 |
9 | 301815003 |
10 | 130154205 |
11 | 67517865 |
12 | 37708879 |
13 | 20c70a2c |
14 | 1340040d |
15 | b65e320 |
hex | 7c1fedd |
130154205 has 16 divisors (see below), whose sum is σ = 208577664. Its totient is φ = 69305280.
The previous prime is 130154203. The next prime is 130154207. The reversal of 130154205 is 502451031.
It is an interprime number because it is at equal distance from previous prime (130154203) and next prime (130154207).
It is not a de Polignac number, because 130154205 - 21 = 130154203 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130154201) 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 15 ways as a sum of consecutive naturals, for example, 3352 + ... + 16478.
It is an arithmetic number, because the mean of its divisors is an integer number (13036104).
Almost surely, 2130154205 is an apocalyptic number.
130154205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
130154205 is a deficient number, since it is larger than the sum of its proper divisors (78423459).
130154205 is a wasteful number, since it uses less digits than its factorization.
130154205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13796.
The product of its (nonzero) digits is 600, while the sum is 21.
The square root of 130154205 is about 11408.5145834153. The cubic root of 130154205 is about 506.7799230792.
The spelling of 130154205 in words is "one hundred thirty million, one hundred fifty-four thousand, two hundred five".
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