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3144444307 = 4017841507
BaseRepresentation
bin1011101101101100…
…0110100110010011
322010010211022200021
42323123012212103
522414434204212
61240004204311
7140631223054
oct27333064623
98103738607
103144444307
111373a58604
12739099697
133b15b9744
1421b88672b
151360c7307
hexbb6c6993

3144444307 has 4 divisors (see below), whose sum is σ = 3152286216. Its totient is φ = 3136602400.

The previous prime is 3144444257. The next prime is 3144444313. The reversal of 3144444307 is 7034444413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7034444413 = 24877282769.

It is a cyclic number.

It is not a de Polignac number, because 3144444307 - 215 = 3144411539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3144444377) 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, 3920353 + ... + 3921154.

It is an arithmetic number, because the mean of its divisors is an integer number (788071554).

Almost surely, 23144444307 is an apocalyptic number.

3144444307 is a deficient number, since it is larger than the sum of its proper divisors (7841909).

3144444307 is an equidigital number, since it uses as much as digits as its factorization.

3144444307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7841908.

The product of its (nonzero) digits is 64512, while the sum is 34.

The square root of 3144444307 is about 56075.3449120021. The cubic root of 3144444307 is about 1465.0348948578.

The spelling of 3144444307 in words is "three billion, one hundred forty-four million, four hundred forty-four thousand, three hundred seven".

Divisors: 1 401 7841507 3144444307