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3144486809 = 23339134731
BaseRepresentation
bin1011101101101101…
…0000111110011001
322010010220110222102
42323123100332121
522414442034214
61240005133145
7140631461012
oct27333207631
98103813872
103144486809
111373a87532
127390ba1b5
133b1602ba9
1421b898009
151360d4bde
hexbb6d0f99

3144486809 has 4 divisors (see below), whose sum is σ = 3144644880. Its totient is φ = 3144328740.

The previous prime is 3144486797. The next prime is 3144486811. The reversal of 3144486809 is 9086844413.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3144486809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3144486509) 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, 44027 + ... + 90704.

It is an arithmetic number, because the mean of its divisors is an integer number (786161220).

Almost surely, 23144486809 is an apocalyptic number.

It is an amenable number.

3144486809 is a deficient number, since it is larger than the sum of its proper divisors (158071).

3144486809 is a wasteful number, since it uses less digits than its factorization.

3144486809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158070.

The product of its (nonzero) digits is 663552, while the sum is 47.

The square root of 3144486809 is about 56075.7238829781. The cubic root of 3144486809 is about 1465.0414955612.

The spelling of 3144486809 in words is "three billion, one hundred forty-four million, four hundred eighty-six thousand, eight hundred nine".

Divisors: 1 23339 134731 3144486809