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2001310313312 = 25476121814073
BaseRepresentation
bin11101000111110111011…
…000111110101101100000
321002022201202102122220202
4131013313120332231200
5230242140420011222
64131220025324332
7264406222661342
oct35076730765540
97068652378822
102001310313312
11701829552652
12283a4a9366a8
13116951b706ab
146cc148d7292
15370d3058892
hex1d1f763eb60

2001310313312 has 48 divisors (see below), whose sum is σ = 4089877106112. Its totient is φ = 963309419520.

The previous prime is 2001310313257. The next prime is 2001310313329. The reversal of 2001310313312 is 2133130131002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10815293 + ... + 10998780.

It is an arithmetic number, because the mean of its divisors is an integer number (85205773044).

Almost surely, 22001310313312 is an apocalyptic number.

It is an amenable number.

2001310313312 is an abundant number, since it is smaller than the sum of its proper divisors (2088566792800).

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

2001310313312 is a wasteful number, since it uses less digits than its factorization.

2001310313312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21814191 (or 21814183 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 2001310313312 its reverse (2133130131002), we get a palindrome (4134440444314).

The spelling of 2001310313312 in words is "two trillion, one billion, three hundred ten million, three hundred thirteen thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 47 61 94 122 188 244 376 488 752 976 1504 1952 2867 5734 11468 22936 45872 91744 21814073 43628146 87256292 174512584 349025168 698050336 1025261431 1330658453 2050522862 2661316906 4101045724 5322633812 8202091448 10645267624 16404182896 21290535248 32808365792 42581070496 62540947291 125081894582 250163789164 500327578328 1000655156656 2001310313312