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2013003001 = 4957406093
BaseRepresentation
bin111011111111011…
…1111110011111001
312012021211010222201
41313332333303321
513110312044001
6531425350201
7100612146262
oct16776776371
95167733881
102013003001
11943318a49
12482198361
1326107aa49
141514c1969
15bbad0501
hex77fbfcf9

2013003001 has 4 divisors (see below), whose sum is σ = 2013414052. Its totient is φ = 2012591952.

The previous prime is 2013002983. The next prime is 2013003049. The reversal of 2013003001 is 1003003102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1003003102 = 2501501551.

It can be written as a sum of positive squares in 2 ways, for example, as 1909777401 + 103225600 = 43701^2 + 10160^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013003001 - 25 = 2013002969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013003101) 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, 198090 + ... + 208003.

It is an arithmetic number, because the mean of its divisors is an integer number (503353513).

Almost surely, 22013003001 is an apocalyptic number.

It is an amenable number.

2013003001 is a deficient number, since it is larger than the sum of its proper divisors (411051).

2013003001 is an equidigital number, since it uses as much as digits as its factorization.

2013003001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411050.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 2013003001 is about 44866.5019920207. The cubic root of 2013003001 is about 1262.6456129274.

Adding to 2013003001 its reverse (1003003102), we get a palindrome (3016006103).

The spelling of 2013003001 in words is "two billion, thirteen million, three thousand, one".

Divisors: 1 4957 406093 2013003001