Base | Representation |
---|---|
bin | 1111100001110… |
… | …10011000100001 |
3 | 100002010000122022 |
4 | 13300322120201 |
5 | 231321400221 |
6 | 20531551225 |
7 | 3141133142 |
oct | 760723041 |
9 | 302100568 |
10 | 130262561 |
11 | 67591210 |
12 | 3775b515 |
13 | 20cab150 |
14 | 1342bac9 |
15 | b6814ab |
hex | 7c3a621 |
130262561 has 16 divisors (see below), whose sum is σ = 154629888. Its totient is φ = 108172800.
The previous prime is 130262557. The next prime is 130262569. The reversal of 130262561 is 165262031.
It is a cyclic number.
It is not a de Polignac number, because 130262561 - 22 = 130262557 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 130262561.
It is not an unprimeable number, because it can be changed into a prime (130262569) 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 15 ways as a sum of consecutive naturals, for example, 9176 + ... + 18566.
It is an arithmetic number, because the mean of its divisors is an integer number (9664368).
Almost surely, 2130262561 is an apocalyptic number.
130262561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
130262561 is a deficient number, since it is larger than the sum of its proper divisors (24367327).
130262561 is a wasteful number, since it uses less digits than its factorization.
130262561 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9512.
The product of its (nonzero) digits is 2160, while the sum is 26.
The square root of 130262561 is about 11413.2625046478. The cubic root of 130262561 is about 506.9205189049.
The spelling of 130262561 in words is "one hundred thirty million, two hundred sixty-two thousand, five hundred sixty-one".
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