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3144739943 = 5953300677
BaseRepresentation
bin1011101101110000…
…1110110001100111
322010011101100012202
42323130032301213
522420023134233
61240014405115
7140633564012
oct27334166147
98104340182
103144739943
11137413a734
1273920079b
133b1691187
1421b922379
15136134be8
hexbb70ec67

3144739943 has 4 divisors (see below), whose sum is σ = 3198040680. Its totient is φ = 3091439208.

The previous prime is 3144739909. The next prime is 3144739957. The reversal of 3144739943 is 3499374413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3499374413 = 15722289009.

It is a cyclic number.

It is not a de Polignac number, because 3144739943 - 226 = 3077631079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144739043) 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, 26650280 + ... + 26650397.

It is an arithmetic number, because the mean of its divisors is an integer number (799510170).

Almost surely, 23144739943 is an apocalyptic number.

3144739943 is a deficient number, since it is larger than the sum of its proper divisors (53300737).

3144739943 is an equidigital number, since it uses as much as digits as its factorization.

3144739943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53300736.

The product of its digits is 979776, while the sum is 47.

The square root of 3144739943 is about 56077.9809105142. The cubic root of 3144739943 is about 1465.0808068898.

The spelling of 3144739943 in words is "three billion, one hundred forty-four million, seven hundred thirty-nine thousand, nine hundred forty-three".

Divisors: 1 59 53300677 3144739943