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143886418849 = 473061413167
BaseRepresentation
bin1000011000000001001…
…1001000001110100001
3111202101200200102011001
42012000103020032201
54324134410400344
6150033413152001
713252432244335
oct2060023101641
9452350612131
10143886418849
1156027150148
1223a7732b601
1310750ac6314
146d6d8577c5
153b2200ced4
hex21804c83a1

143886418849 has 4 divisors (see below), whose sum is σ = 146947832064. Its totient is φ = 140825005636.

The previous prime is 143886418831. The next prime is 143886418853. The reversal of 143886418849 is 948814688341.

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, and also an emirpimes, since its reverse is a distinct semiprime: 948814688341 = 1372985745257.

It is a cyclic number.

It is not a de Polignac number, because 143886418849 - 221 = 143884321697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143886418829) 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, 1530706537 + ... + 1530706630.

It is an arithmetic number, because the mean of its divisors is an integer number (36736958016).

Almost surely, 2143886418849 is an apocalyptic number.

It is an amenable number.

143886418849 is a deficient number, since it is larger than the sum of its proper divisors (3061413215).

143886418849 is an equidigital number, since it uses as much as digits as its factorization.

143886418849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061413214.

The product of its digits is 42467328, while the sum is 64.

The spelling of 143886418849 in words is "one hundred forty-three billion, eight hundred eighty-six million, four hundred eighteen thousand, eight hundred forty-nine".

Divisors: 1 47 3061413167 143886418849