Base | Representation |
---|---|
bin | 111100101011011010… |
… | …1010100110101101001 |
3 | 110110100020102110002111 |
4 | 1321112311110311221 |
5 | 4113331243312231 |
6 | 135510042202321 |
7 | 12262046231422 |
oct | 1712665246551 |
9 | 413306373074 |
10 | 130305838441 |
11 | 50298281079 |
12 | 213071b33a1 |
13 | c398367c1c |
14 | 6441d5c649 |
15 | 35c9b274b1 |
hex | 1e56d54d69 |
130305838441 has 3 divisors (see below), whose sum is σ = 130306199421. Its totient is φ = 130305477462.
The previous prime is 130305838391. The next prime is 130305838561. The reversal of 130305838441 is 144838503031.
The square root of 130305838441 is 360979.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is not a de Polignac number, because 130305838441 - 227 = 130171620713 is a prime.
It is a super-2 number, since 2×1303058384412 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130305838394 and 130305838403.
It is not an unprimeable number, because it can be changed into a prime (130305838241) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 180490 + ... + 541468.
It is an arithmetic number, because the mean of its divisors is an integer number (43435399807).
Almost surely, 2130305838441 is an apocalyptic number.
130305838441 is the 360979-th square number.
130305838441 is the 180490-th centered octagonal number.
It is an amenable number.
130305838441 is a deficient number, since it is larger than the sum of its proper divisors (360980).
130305838441 is an frugal number, since it uses more digits than its factorization.
130305838441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 721958 (or 360979 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 40.
The spelling of 130305838441 in words is "one hundred thirty billion, three hundred five million, eight hundred thirty-eight thousand, four hundred forty-one".
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