Search a number
-
+
213443132413 = 730491876059
BaseRepresentation
bin1100011011001000110…
…0111011101111111101
3202101221012220120100111
43012302030323233331
511444112420214123
6242015431030021
721264214455610
oct3066214735775
9671835816314
10213443132413
11825800a1595
123544980b311
13171874549b4
14a48b63c177
15584375990d
hex31b233bbfd

213443132413 has 4 divisors (see below), whose sum is σ = 243935008480. Its totient is φ = 182951256348.

The previous prime is 213443132297. The next prime is 213443132429. The reversal of 213443132413 is 314231344312.

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.

It is not a de Polignac number, because 213443132413 - 29 = 213443131901 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 (213443132113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15245938023 + ... + 15245938036.

It is an arithmetic number, because the mean of its divisors is an integer number (60983752120).

Almost surely, 2213443132413 is an apocalyptic number.

It is an amenable number.

213443132413 is a deficient number, since it is larger than the sum of its proper divisors (30491876067).

213443132413 is an equidigital number, since it uses as much as digits as its factorization.

213443132413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30491876066.

The product of its digits is 20736, while the sum is 31.

Adding to 213443132413 its reverse (314231344312), we get a palindrome (527674476725).

The spelling of 213443132413 in words is "two hundred thirteen billion, four hundred forty-three million, one hundred thirty-two thousand, four hundred thirteen".

Divisors: 1 7 30491876059 213443132413