Base | Representation |
---|---|
bin | 1111100001110… |
… | …01110001010110 |
3 | 100002002220012110 |
4 | 13300321301112 |
5 | 231321310204 |
6 | 20531531450 |
7 | 3141122631 |
oct | 760716126 |
9 | 302086173 |
10 | 130260054 |
11 | 6758a341 |
12 | 37759b86 |
13 | 20ca9c72 |
14 | 1342ac18 |
15 | b680889 |
hex | 7c39c56 |
130260054 has 32 divisors (see below), whose sum is σ = 276801120. Its totient is φ = 40787712.
The previous prime is 130260049. The next prime is 130260059. The reversal of 130260054 is 450062031.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (130260049) and next prime (130260059).
It is a super-3 number, since 3×1302600543 (a number of 25 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 130260054.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130260059) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3679 + ... + 16554.
It is an arithmetic number, because the mean of its divisors is an integer number (8650035).
Almost surely, 2130260054 is an apocalyptic number.
130260054 is an abundant number, since it is smaller than the sum of its proper divisors (146541066).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130260054 is a wasteful number, since it uses less digits than its factorization.
130260054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20304.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 130260054 is about 11413.1526757509. The cubic root of 130260054 is about 506.9172668631.
The spelling of 130260054 in words is "one hundred thirty million, two hundred sixty thousand, fifty-four".
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