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1670001001 = 17347283099
BaseRepresentation
bin110001110001010…
…0011000101101001
311022101101211200221
41203202203011221
511410010013001
6433413530041
756245526404
oct14342430551
94271354627
101670001001
11787743519
123a7343921
13207ca4b96
1411bb16d3b
159b92a1a1
hex638a3169

1670001001 has 8 divisors (see below), whose sum is σ = 1773338400. Its totient is φ = 1567230528.

The previous prime is 1670000999. The next prime is 1670001007. The reversal of 1670001001 is 1001000761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1670001001 - 21 = 1670000999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1670001007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135651 + ... + 147448.

It is an arithmetic number, because the mean of its divisors is an integer number (221667300).

Almost surely, 21670001001 is an apocalyptic number.

It is an amenable number.

1670001001 is a deficient number, since it is larger than the sum of its proper divisors (103337399).

1670001001 is a wasteful number, since it uses less digits than its factorization.

1670001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283463.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 1670001001 is about 40865.6457308581. The cubic root of 1670001001 is about 1186.4212329159.

Adding to 1670001001 its reverse (1001000761), we get a palindrome (2671001762).

The spelling of 1670001001 in words is "one billion, six hundred seventy million, one thousand, one".

Divisors: 1 17 347 5899 283099 4812683 98235353 1670001001