Base | Representation |
---|---|
bin | 1111100010011… |
… | …10010111010101 |
3 | 100002021011220120 |
4 | 13301032113111 |
5 | 231332010110 |
6 | 20533422153 |
7 | 3141623562 |
oct | 761162725 |
9 | 302234816 |
10 | 130344405 |
11 | 67637754 |
12 | 3779a959 |
13 | 21009489 |
14 | 1344d869 |
15 | b69a870 |
hex | 7c4e5d5 |
130344405 has 8 divisors (see below), whose sum is σ = 208551072. Its totient is φ = 69517008.
The previous prime is 130344341. The next prime is 130344407. The reversal of 130344405 is 504443031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 130344405 - 26 = 130344341 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130344407) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4344799 + ... + 4344828.
It is an arithmetic number, because the mean of its divisors is an integer number (26068884).
Almost surely, 2130344405 is an apocalyptic number.
130344405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
130344405 is a deficient number, since it is larger than the sum of its proper divisors (78206667).
130344405 is an equidigital number, since it uses as much as digits as its factorization.
130344405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8689635.
The product of its (nonzero) digits is 2880, while the sum is 24.
The square root of 130344405 is about 11416.8474194937. The cubic root of 130344405 is about 507.0266627747.
Adding to 130344405 its reverse (504443031), we get a palindrome (634787436).
The spelling of 130344405 in words is "one hundred thirty million, three hundred forty-four thousand, four hundred five".
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