Base | Representation |
---|---|
bin | 1111100001110… |
… | …10001111101011 |
3 | 100002002222212100 |
4 | 13300322033223 |
5 | 231321340440 |
6 | 20531544443 |
7 | 3141131403 |
oct | 760721753 |
9 | 302088770 |
10 | 130261995 |
11 | 67590846 |
12 | 3775b123 |
13 | 20caab06 |
14 | 1342b803 |
15 | b681230 |
hex | 7c3a3eb |
130261995 has 48 divisors (see below), whose sum is σ = 237699072. Its totient is φ = 65862720.
The previous prime is 130261987. The next prime is 130262021. The reversal of 130261995 is 599162031.
130261995 is a `hidden beast` number, since 1 + 30 + 2 + 619 + 9 + 5 = 666.
It is not a de Polignac number, because 130261995 - 23 = 130261987 is a prime.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 130950 + ... + 131940.
It is an arithmetic number, because the mean of its divisors is an integer number (4952064).
Almost surely, 2130261995 is an apocalyptic number.
130261995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
130261995 is a deficient number, since it is larger than the sum of its proper divisors (107437077).
130261995 is a wasteful number, since it uses less digits than its factorization.
130261995 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1152 (or 1149 counting only the distinct ones).
The product of its (nonzero) digits is 14580, while the sum is 36.
The square root of 130261995 is about 11413.2377089063. The cubic root of 130261995 is about 506.9197847021.
Adding to 130261995 its sum of digits (36), we get a palindrome (130262031).
The spelling of 130261995 in words is "one hundred thirty million, two hundred sixty-one thousand, nine hundred ninety-five".
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