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83459401001 = 509163967389
BaseRepresentation
bin100110110111010010…
…0010110010100101001
321222102102120212000222
41031232210112110221
52331411101313001
6102201332335425
76013126126544
oct1155644262451
9258372525028
1083459401001
1132438724279
1214212474575
137b40a58062
14407a3a985b
15228705b61b
hex136e916529

83459401001 has 4 divisors (see below), whose sum is σ = 83623368900. Its totient is φ = 83295433104.

The previous prime is 83459400989. The next prime is 83459401009. The reversal of 83459401001 is 10010495438.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10010495438 = 25005247719.

It can be written as a sum of positive squares in 2 ways, for example, as 45258307600 + 38201093401 = 212740^2 + 195451^2 .

It is a cyclic number.

It is not a de Polignac number, because 83459401001 - 222 = 83455206697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83459401009) 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, 81983186 + ... + 81984203.

It is an arithmetic number, because the mean of its divisors is an integer number (20905842225).

Almost surely, 283459401001 is an apocalyptic number.

It is an amenable number.

83459401001 is a deficient number, since it is larger than the sum of its proper divisors (163967899).

83459401001 is a wasteful number, since it uses less digits than its factorization.

83459401001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163967898.

The product of its (nonzero) digits is 17280, while the sum is 35.

Adding to 83459401001 its reverse (10010495438), we get a palindrome (93469896439).

The spelling of 83459401001 in words is "eighty-three billion, four hundred fifty-nine million, four hundred one thousand, one".

Divisors: 1 509 163967389 83459401001