Base | Representation |
---|---|
bin | 1111100010100… |
… | …10100000000101 |
3 | 100002022001011010 |
4 | 13301102200011 |
5 | 231333030344 |
6 | 20534032433 |
7 | 3142024146 |
oct | 761224005 |
9 | 302261133 |
10 | 130361349 |
11 | 67649458 |
12 | 377a8719 |
13 | 210140c1 |
14 | 13455acd |
15 | b6a08b9 |
hex | 7c52805 |
130361349 has 4 divisors (see below), whose sum is σ = 173815136. Its totient is φ = 86907564.
The previous prime is 130361347. The next prime is 130361353. The reversal of 130361349 is 943163031.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 943163031 = 3 ⋅314387677.
It is not a de Polignac number, because 130361349 - 21 = 130361347 is a prime.
It is a Duffinian number.
It is a plaindrome in base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130361347) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21726889 + ... + 21726894.
It is an arithmetic number, because the mean of its divisors is an integer number (43453784).
Almost surely, 2130361349 is an apocalyptic number.
It is an amenable number.
130361349 is a deficient number, since it is larger than the sum of its proper divisors (43453787).
130361349 is an equidigital number, since it uses as much as digits as its factorization.
130361349 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43453786.
The product of its (nonzero) digits is 5832, while the sum is 30.
The square root of 130361349 is about 11417.5894566235. The cubic root of 130361349 is about 507.0486319763.
The spelling of 130361349 in words is "one hundred thirty million, three hundred sixty-one thousand, three hundred forty-nine".
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