Search a number
-
+
3213001013 = 6747955239
BaseRepresentation
bin1011111110000010…
…1000000100110101
322021220211100210112
42333200220010311
523040012013023
61250453432405
7142423025615
oct27740500465
98256740715
103213001013
1113a9723242
1275803b705
133c2871341
14226a10a45
1513c11a478
hexbf828135

3213001013 has 4 divisors (see below), whose sum is σ = 3260956320. Its totient is φ = 3165045708.

The previous prime is 3213001007. The next prime is 3213001019. The reversal of 3213001013 is 3101003123.

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: 3101003123 = 3361922643.

It is an interprime number because it is at equal distance from previous prime (3213001007) and next prime (3213001019).

It is a cyclic number.

It is not a de Polignac number, because 3213001013 - 24 = 3213000997 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 (3213001019) 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, 23977553 + ... + 23977686.

It is an arithmetic number, because the mean of its divisors is an integer number (815239080).

Almost surely, 23213001013 is an apocalyptic number.

It is an amenable number.

3213001013 is a deficient number, since it is larger than the sum of its proper divisors (47955307).

3213001013 is an equidigital number, since it uses as much as digits as its factorization.

3213001013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47955306.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 3213001013 is about 56683.3398186804. The cubic root of 3213001013 is about 1475.6055754147.

Adding to 3213001013 its reverse (3101003123), we get a palindrome (6314004136).

The spelling of 3213001013 in words is "three billion, two hundred thirteen million, one thousand, thirteen".

Divisors: 1 67 47955239 3213001013