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3134388847 = 9811319477
BaseRepresentation
bin1011101011010010…
…1111101001101111
322002102220110011211
42322310233221233
522404400420342
61235004455251
7140446602622
oct27264575157
98072813154
103134388847
11136930a807
1273584a527
133ac4a8875
1421a3c9db9
1513528cc17
hexbad2fa6f

3134388847 has 4 divisors (see below), whose sum is σ = 3134718136. Its totient is φ = 3134059560.

The previous prime is 3134388811. The next prime is 3134388863. The reversal of 3134388847 is 7488834313.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7488834313 = 31181240173.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3134388847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3134388847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3134388347) 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, 149928 + ... + 169549.

It is an arithmetic number, because the mean of its divisors is an integer number (783679534).

Almost surely, 23134388847 is an apocalyptic number.

3134388847 is a deficient number, since it is larger than the sum of its proper divisors (329289).

3134388847 is an equidigital number, since it uses as much as digits as its factorization.

3134388847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329288.

The product of its digits is 1548288, while the sum is 49.

The square root of 3134388847 is about 55985.6128572332. The cubic root of 3134388847 is about 1463.4715734939.

The spelling of 3134388847 in words is "three billion, one hundred thirty-four million, three hundred eighty-eight thousand, eight hundred forty-seven".

Divisors: 1 9811 319477 3134388847