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2121330208 = 25186735507
BaseRepresentation
bin111111001110000…
…1110111000100000
312110211122201222111
41332130032320200
513321030031313
6550255245104
7103366003114
oct17634167040
95424581874
102121330208
11999487868
124b2519794
1327a64889a
14161a3d744
15c637c43d
hex7e70ee20

2121330208 has 24 divisors (see below), whose sum is σ = 4178723472. Its totient is φ = 1060067136.

The previous prime is 2121330187. The next prime is 2121330229. The reversal of 2121330208 is 8020331212.

It is an interprime number because it is at equal distance from previous prime (2121330187) and next prime (2121330229).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41991 + ... + 77497.

It is an arithmetic number, because the mean of its divisors is an integer number (174113478).

Almost surely, 22121330208 is an apocalyptic number.

It is an amenable number.

2121330208 is a deficient number, since it is larger than the sum of its proper divisors (2057393264).

2121330208 is a wasteful number, since it uses less digits than its factorization.

2121330208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37384 (or 37376 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2121330208 is about 46057.9006034795. The cubic root of 2121330208 is about 1284.9002850753.

The spelling of 2121330208 in words is "two billion, one hundred twenty-one million, three hundred thirty thousand, two hundred eight".

Divisors: 1 2 4 8 16 32 1867 3734 7468 14936 29872 35507 59744 71014 142028 284056 568112 1136224 66291569 132583138 265166276 530332552 1060665104 2121330208