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7144302149 = 34720588767
BaseRepresentation
bin1101010011101010…
…10110011001000101
3200102220021011010022
412221311112121011
5104112420132044
63140531104525
7342020365145
oct65165263105
920386234108
107144302149
113036854a46
121474742145
1389b18b52a
144baba0925
152bc3203ee
hex1a9d56645

7144302149 has 4 divisors (see below), whose sum is σ = 7164891264. Its totient is φ = 7123713036.

The previous prime is 7144302131. The next prime is 7144302247. The reversal of 7144302149 is 9412034417.

It is a happy number.

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-7144302149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7144302349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10294037 + ... + 10294730.

It is an arithmetic number, because the mean of its divisors is an integer number (1791222816).

Almost surely, 27144302149 is an apocalyptic number.

It is an amenable number.

7144302149 is a deficient number, since it is larger than the sum of its proper divisors (20589115).

7144302149 is a wasteful number, since it uses less digits than its factorization.

7144302149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20589114.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 7144302149 is about 84523.9738121676. The cubic root of 7144302149 is about 1925.9866442924.

The spelling of 7144302149 in words is "seven billion, one hundred forty-four million, three hundred two thousand, one hundred forty-nine".

Divisors: 1 347 20588767 7144302149