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2013203001 = 3671067667
BaseRepresentation
bin111011111111111…
…0000101000111001
312012022012022100010
41313333300220321
513110334444001
6531433532133
7100613641335
oct16777605071
95168168303
102013203001
11943445237
12482274049
1326111aaa4
141515347c5
15bbb1e8d6
hex77ff0a39

2013203001 has 4 divisors (see below), whose sum is σ = 2684270672. Its totient is φ = 1342135332.

The previous prime is 2013202999. The next prime is 2013203011. The reversal of 2013203001 is 1003023102.

It is a happy number.

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.

It is not a de Polignac number, because 2013203001 - 21 = 2013202999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013203011) 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, 335533831 + ... + 335533836.

It is an arithmetic number, because the mean of its divisors is an integer number (671067668).

Almost surely, 22013203001 is an apocalyptic number.

It is an amenable number.

2013203001 is a deficient number, since it is larger than the sum of its proper divisors (671067671).

2013203001 is an equidigital number, since it uses as much as digits as its factorization.

2013203001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671067670.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2013203001 is about 44868.7307709946. The cubic root of 2013203001 is about 1262.6874278609.

Adding to 2013203001 its reverse (1003023102), we get a palindrome (3016226103).

The spelling of 2013203001 in words is "two billion, thirteen million, two hundred three thousand, one".

Divisors: 1 3 671067667 2013203001