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2121330202 = 219353158143
BaseRepresentation
bin111111001110000…
…1110111000011010
312110211122201222021
41332130032320122
513321030031302
6550255245054
7103366003105
oct17634167032
95424581867
102121330202
11999487862
124b251978a
1327a648894
14161a3d73c
15c637c437
hex7e70ee1a

2121330202 has 16 divisors (see below), whose sum is σ = 3358978560. Its totient is φ = 1001987712.

The previous prime is 2121330187. The next prime is 2121330229. The reversal of 2121330202 is 2020331212.

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, 65658 + ... + 92485.

It is an arithmetic number, because the mean of its divisors is an integer number (209936160).

Almost surely, 22121330202 is an apocalyptic number.

2121330202 is a deficient number, since it is larger than the sum of its proper divisors (1237648358).

2121330202 is a wasteful number, since it uses less digits than its factorization.

2121330202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158517.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2121330202 is about 46057.9005383441. The cubic root of 2121330202 is about 1284.9002838639.

Adding to 2121330202 its reverse (2020331212), we get a palindrome (4141661414).

It can be divided in two parts, 21213 and 30202, that added together give a palindrome (51415).

The spelling of 2121330202 in words is "two billion, one hundred twenty-one million, three hundred thirty thousand, two hundred two".

Divisors: 1 2 19 38 353 706 6707 13414 158143 316286 3004717 6009434 55824479 111648958 1060665101 2121330202