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3161238029 = 4317334659
BaseRepresentation
bin1011110001101100…
…1010101000001101
322011022102112022222
42330123022220031
522433234104104
61241404145125
7141224036255
oct27433125015
98138375288
103161238029
111382488a14
127428381a5
133b4c19661
1421dbb8965
151377e31be
hexbc6caa0d

3161238029 has 4 divisors (see below), whose sum is σ = 3168573120. Its totient is φ = 3153902940.

The previous prime is 3161238007. The next prime is 3161238071. The reversal of 3161238029 is 9208321613.

3161238029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-3161238029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3161238029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161238089) 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, 3666899 + ... + 3667760.

It is an arithmetic number, because the mean of its divisors is an integer number (792143280).

Almost surely, 23161238029 is an apocalyptic number.

It is an amenable number.

3161238029 is a deficient number, since it is larger than the sum of its proper divisors (7335091).

3161238029 is an equidigital number, since it uses as much as digits as its factorization.

3161238029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7335090.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 3161238029 is about 56224.8879856599. The cubic root of 3161238029 is about 1467.6383986443.

The spelling of 3161238029 in words is "three billion, one hundred sixty-one million, two hundred thirty-eight thousand, twenty-nine".

Divisors: 1 431 7334659 3161238029