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3144542549 is a prime number
BaseRepresentation
bin1011101101101101…
…1110100101010101
322010011000022102212
42323123132211111
522420000330144
61240010243205
7140632112351
oct27333364525
98104008385
103144542549
1113740153a5
12739126505
133b1622385
1421b8b0461
151360e649e
hexbb6de955

3144542549 has 2 divisors, whose sum is σ = 3144542550. Its totient is φ = 3144542548.

The previous prime is 3144542539. The next prime is 3144542551. The reversal of 3144542549 is 9452454413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2015112100 + 1129430449 = 44890^2 + 33607^2 .

It is a cyclic number.

It is not a de Polignac number, because 3144542549 - 216 = 3144477013 is a prime.

Together with 3144542551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3144542539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572271274 + 1572271275.

It is an arithmetic number, because the mean of its divisors is an integer number (1572271275).

Almost surely, 23144542549 is an apocalyptic number.

It is an amenable number.

3144542549 is a deficient number, since it is larger than the sum of its proper divisors (1).

3144542549 is an equidigital number, since it uses as much as digits as its factorization.

3144542549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 41.

The square root of 3144542549 is about 56076.2208872888. The cubic root of 3144542549 is about 1465.0501520803.

The spelling of 3144542549 in words is "three billion, one hundred forty-four million, five hundred forty-two thousand, five hundred forty-nine".