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1312584001 = 10613123677
BaseRepresentation
bin100111000111100…
…0111000101000001
310101110212011202021
41032033013011001
510142010142001
6334125121441
744345531341
oct11617070501
93343764667
101312584001
11613a12873
123076b9281
1317bc22a31
14c6478d21
157a378ba1
hex4e3c7141

1312584001 has 4 divisors (see below), whose sum is σ = 1312718292. Its totient is φ = 1312449712.

The previous prime is 1312583983. The next prime is 1312584041. The reversal of 1312584001 is 1004852131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1221572401 + 91011600 = 34951^2 + 9540^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312584001 - 25 = 1312583969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312584041) 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, 51226 + ... + 72451.

It is an arithmetic number, because the mean of its divisors is an integer number (328179573).

Almost surely, 21312584001 is an apocalyptic number.

It is an amenable number.

1312584001 is a deficient number, since it is larger than the sum of its proper divisors (134291).

1312584001 is a wasteful number, since it uses less digits than its factorization.

1312584001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134290.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1312584001 is about 36229.6011708658. The cubic root of 1312584001 is about 1094.9031421872.

The spelling of 1312584001 in words is "one billion, three hundred twelve million, five hundred eighty-four thousand, one".

Divisors: 1 10613 123677 1312584001