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3051921329 = 3837968463
BaseRepresentation
bin1011010111101000…
…1001111110110001
321212200201200000022
42311322021332301
522222242440304
61222501133225
7135425621552
oct26572117661
97780650008
103051921329
111326803736
127120ba215
13398393312
1420d480329
1512cdecebe
hexb5e89fb1

3051921329 has 4 divisors (see below), whose sum is σ = 3059890176. Its totient is φ = 3043952484.

The previous prime is 3051921319. The next prime is 3051921331. The reversal of 3051921329 is 9231291503.

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: 9231291503 = 71318755929.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3051921329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3051921319) 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, 3983849 + ... + 3984614.

It is an arithmetic number, because the mean of its divisors is an integer number (764972544).

Almost surely, 23051921329 is an apocalyptic number.

It is an amenable number.

3051921329 is a deficient number, since it is larger than the sum of its proper divisors (7968847).

3051921329 is an equidigital number, since it uses as much as digits as its factorization.

3051921329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7968846.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 3051921329 is about 55244.1972427874. The cubic root of 3051921329 is about 1450.5224164344.

The spelling of 3051921329 in words is "three billion, fifty-one million, nine hundred twenty-one thousand, three hundred twenty-nine".

Divisors: 1 383 7968463 3051921329