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2001300001 = 1959230259
BaseRepresentation
bin111011101001001…
…0110101000100001
312011110210120111021
41313102112220201
513044313100001
6530330445441
7100410524611
oct16722265041
95143716437
102001300001
11937755348
1247a293881
1325b810cac
1414db16a41
15baa6cba1
hex77496a21

2001300001 has 12 divisors (see below), whose sum is σ = 2143013200. Its totient is φ = 1863771768.

The previous prime is 2001299999. The next prime is 2001300043. The reversal of 2001300001 is 1000031002.

It is not a de Polignac number, because 2001300001 - 21 = 2001299999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001300071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51010 + ... + 81268.

Almost surely, 22001300001 is an apocalyptic number.

It is an amenable number.

2001300001 is a deficient number, since it is larger than the sum of its proper divisors (141713199).

2001300001 is an equidigital number, since it uses as much as digits as its factorization.

2001300001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30396 (or 30337 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 2001300001 is about 44735.8916419467. The cubic root of 2001300001 is about 1260.1939738740.

Adding to 2001300001 its reverse (1000031002), we get a palindrome (3001331003).

The spelling of 2001300001 in words is "two billion, one million, three hundred thousand, one".

Divisors: 1 19 59 1121 3481 30259 66139 574921 1785281 33920339 105331579 2001300001