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2001301001 = 72330374093
BaseRepresentation
bin111011101001001…
…0110111000001001
312011110210121212022
41313102112320021
513044313113001
6530330454225
7100410530540
oct16722267011
95143717768
102001301001
11937756077
1247a294375
1325b81159b
1414db17157
15baa6d11b
hex77496e09

2001301001 has 16 divisors (see below), whose sum is σ = 2388013824. Its totient is φ = 1639877184.

The previous prime is 2001300997. The next prime is 2001301009. The reversal of 2001301001 is 1001031002.

It is not a de Polignac number, because 2001301001 - 22 = 2001300997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2001301001.

It is not an unprimeable number, because it can be changed into a prime (2001301009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486911 + ... + 491003.

It is an arithmetic number, because the mean of its divisors is an integer number (149250864).

Almost surely, 22001301001 is an apocalyptic number.

It is an amenable number.

2001301001 is a deficient number, since it is larger than the sum of its proper divisors (386712823).

2001301001 is a wasteful number, since it uses less digits than its factorization.

2001301001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7160.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 2001301001 is about 44735.9028186534. The cubic root of 2001301001 is about 1260.1941837698.

Adding to 2001301001 its reverse (1001031002), we get a palindrome (3002332003).

The spelling of 2001301001 in words is "two billion, one million, three hundred one thousand, one".

Divisors: 1 7 23 161 3037 4093 21259 28651 69851 94139 488957 658973 12430441 87013087 285900143 2001301001