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2001240241 = 7111313714593
BaseRepresentation
bin111011101001000…
…1000000010110001
312011110200112111221
41313102020002301
513044304141431
6530325305041
7100410155440
oct16722100261
95143615457
102001240241
11937714460
1247a265181
1325b7bca30
1414dadcd57
15baa5a111
hex774880b1

2001240241 has 32 divisors (see below), whose sum is σ = 2706778368. Its totient is φ = 1428848640.

The previous prime is 2001240211. The next prime is 2001240257. The reversal of 2001240241 is 1420421002.

It is a cyclic number.

It is not a de Polignac number, because 2001240241 - 25 = 2001240209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001240211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129841 + ... + 144433.

It is an arithmetic number, because the mean of its divisors is an integer number (84586824).

Almost surely, 22001240241 is an apocalyptic number.

It is an amenable number.

2001240241 is a deficient number, since it is larger than the sum of its proper divisors (705538127).

2001240241 is a wasteful number, since it uses less digits than its factorization.

2001240241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14761.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2001240241 is about 44735.2237168878. The cubic root of 2001240241 is about 1260.1814303703.

Adding to 2001240241 its reverse (1420421002), we get a palindrome (3421661243).

It can be divided in two parts, 2001 and 240241, that added together give a palindrome (242242).

The spelling of 2001240241 in words is "two billion, one million, two hundred forty thousand, two hundred forty-one".

Divisors: 1 7 11 13 77 91 137 143 959 1001 1507 1781 10549 12467 14593 19591 102151 137137 160523 189709 1123661 1327963 1999241 2086799 13994687 14607593 21991651 25990133 153941557 181930931 285891463 2001240241