Search a number
-
+
1300132213 = 4621281353
BaseRepresentation
bin100110101111110…
…0111000101110101
310100121102120002221
41031133213011311
510130313212323
6333002202341
744134640632
oct11537470565
93317376087
101300132213
11607988636
123034b33b1
13179483203
14c4957189
157921955d
hex4d7e7175

1300132213 has 4 divisors (see below), whose sum is σ = 1300418188. Its totient is φ = 1299846240.

The previous prime is 1300132199. The next prime is 1300132217. The reversal of 1300132213 is 3122310031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3122310031 = 5952920509.

It can be written as a sum of positive squares in 2 ways, for example, as 490046769 + 810085444 = 22137^2 + 28462^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300132213 - 217 = 1300001141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300132217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136056 + ... + 145297.

It is an arithmetic number, because the mean of its divisors is an integer number (325104547).

Almost surely, 21300132213 is an apocalyptic number.

It is an amenable number.

1300132213 is a deficient number, since it is larger than the sum of its proper divisors (285975).

1300132213 is an equidigital number, since it uses as much as digits as its factorization.

1300132213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285974.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1300132213 is about 36057.3461724515. The cubic root of 1300132213 is about 1091.4298808651.

Adding to 1300132213 its reverse (3122310031), we get a palindrome (4422442244).

The spelling of 1300132213 in words is "one billion, three hundred million, one hundred thirty-two thousand, two hundred thirteen".

Divisors: 1 4621 281353 1300132213