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2001304144 = 24720998513
BaseRepresentation
bin111011101001001…
…0111101001010000
312011110210210011201
41313102113221100
513044313213034
6530330520544
7100410542650
oct16722275120
95143723151
102001304144
11937758474
1247a296154
1325b812b48
1414db18360
15baa6e014
hex77497a50

2001304144 has 40 divisors (see below), whose sum is σ = 4434091200. Its totient is φ = 857192448.

The previous prime is 2001304127. The next prime is 2001304147. The reversal of 2001304144 is 4414031002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001304147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230832 + ... + 239344.

It is an arithmetic number, because the mean of its divisors is an integer number (110852280).

Almost surely, 22001304144 is an apocalyptic number.

It is an amenable number.

2001304144 is an abundant number, since it is smaller than the sum of its proper divisors (2432787056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001304144 is a wasteful number, since it uses less digits than its factorization.

2001304144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10627 (or 10621 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2001304144 is about 44735.9379470242. The cubic root of 2001304144 is about 1260.1948434721.

Adding to 2001304144 its reverse (4414031002), we get a palindrome (6415335146).

The spelling of 2001304144 in words is "two billion, one million, three hundred four thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 2099 4198 8396 8513 14693 16792 17026 29386 33584 34052 58772 59591 68104 117544 119182 136208 235088 238364 476728 953456 17868787 35737574 71475148 125081509 142950296 250163018 285900592 500326036 1000652072 2001304144