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3143161443 = 31047720481
BaseRepresentation
bin1011101101011000…
…1101011001100011
322010001102010220210
42323112031121203
522414122131233
61235520505203
7140614300662
oct27326153143
98101363823
103143161443
111373261794
1273877b203
133b125a856
1421b630dd9
15135e22163
hexbb58d663

3143161443 has 4 divisors (see below), whose sum is σ = 4190881928. Its totient is φ = 2095440960.

The previous prime is 3143161429. The next prime is 3143161447. The reversal of 3143161443 is 3441613413.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3143161443 - 29 = 3143160931 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 3143161443.

It is not an unprimeable number, because it can be changed into a prime (3143161447) 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, 523860238 + ... + 523860243.

It is an arithmetic number, because the mean of its divisors is an integer number (1047720482).

Almost surely, 23143161443 is an apocalyptic number.

3143161443 is a deficient number, since it is larger than the sum of its proper divisors (1047720485).

3143161443 is a wasteful number, since it uses less digits than its factorization.

3143161443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047720484.

The product of its digits is 10368, while the sum is 30.

The square root of 3143161443 is about 56063.9049924281. The cubic root of 3143161443 is about 1464.8356337706.

Adding to 3143161443 its reverse (3441613413), we get a palindrome (6584774856).

The spelling of 3143161443 in words is "three billion, one hundred forty-three million, one hundred sixty-one thousand, four hundred forty-three".

Divisors: 1 3 1047720481 3143161443