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3290123149 = 7194575971
BaseRepresentation
bin1100010000011011…
…0100101110001101
322111021221120110221
43010012310232031
523214232420044
61302250431341
7144350404525
oct30406645615
98437846427
103290123149
111439209245
12779a32551
13405834841
14232d68685
15143ca1484
hexc41b4b8d

3290123149 has 4 divisors (see below), whose sum is σ = 3294699840. Its totient is φ = 3285546460.

The previous prime is 3290123147. The next prime is 3290123183. The reversal of 3290123149 is 9413210923.

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: 9413210923 = 34727127409.

It is a cyclic number.

It is not a de Polignac number, because 3290123149 - 21 = 3290123147 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 (3290123147) 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, 2287267 + ... + 2288704.

It is an arithmetic number, because the mean of its divisors is an integer number (823674960).

Almost surely, 23290123149 is an apocalyptic number.

It is an amenable number.

3290123149 is a deficient number, since it is larger than the sum of its proper divisors (4576691).

3290123149 is an equidigital number, since it uses as much as digits as its factorization.

3290123149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4576690.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 3290123149 is about 57359.5950909697. The cubic root of 3290123149 is about 1487.3187443292.

The spelling of 3290123149 in words is "three billion, two hundred ninety million, one hundred twenty-three thousand, one hundred forty-nine".

Divisors: 1 719 4575971 3290123149