Search a number
-
+
3213242013 = 31071080671
BaseRepresentation
bin1011111110000110…
…0010111010011101
322021221021121101110
42333201202322131
523040042221023
61250502532233
7142425051342
oct27741427235
98257247343
103213242013
1113a9878313
12758137079
133c2926c47
14226a747c9
1513c166a93
hexbf862e9d

3213242013 has 4 divisors (see below), whose sum is σ = 4284322688. Its totient is φ = 2142161340.

The previous prime is 3213241987. The next prime is 3213242047. The reversal of 3213242013 is 3102423123.

Adding to 3213242013 its reverse (3102423123), we get a palindrome (6315665136).

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 3213242013 - 220 = 3212193437 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 (3213242093) 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, 535540333 + ... + 535540338.

It is an arithmetic number, because the mean of its divisors is an integer number (1071080672).

Almost surely, 23213242013 is an apocalyptic number.

It is an amenable number.

3213242013 is a deficient number, since it is larger than the sum of its proper divisors (1071080675).

3213242013 is a wasteful number, since it uses less digits than its factorization.

3213242013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071080674.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3213242013 is about 56685.4656239146. The cubic root of 3213242013 is about 1475.6424684472.

The spelling of 3213242013 in words is "three billion, two hundred thirteen million, two hundred forty-two thousand, thirteen".

Divisors: 1 3 1071080671 3213242013