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12340220330 = 257349167917
BaseRepresentation
bin10110111111000100…
…01101000110101010
31011212000022010220102
423133202031012222
5200233044022310
65400301425402
7614542066514
oct133742150652
934760263812
1012340220330
1152628071a9
12248486b262
1312187a5529
14850ca0bb4
154c35768a5
hex2df88d1aa

12340220330 has 16 divisors (see below), whose sum is σ = 22215551400. Its totient is φ = 4935387072.

The previous prime is 12340220317. The next prime is 12340220351. The reversal of 12340220330 is 3302204321.

It can be written as a sum of positive squares in 4 ways, for example, as 10354894081 + 1985326249 = 101759^2 + 44557^2 .

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, 10469 + ... + 157448.

Almost surely, 212340220330 is an apocalyptic number.

12340220330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12340220330 is a deficient number, since it is larger than the sum of its proper divisors (9875331070).

12340220330 is a wasteful number, since it uses less digits than its factorization.

12340220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175273.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 12340220330 its reverse (3302204321), we get a palindrome (15642424651).

The spelling of 12340220330 in words is "twelve billion, three hundred forty million, two hundred twenty thousand, three hundred thirty".

Divisors: 1 2 5 10 7349 14698 36745 73490 167917 335834 839585 1679170 1234022033 2468044066 6170110165 12340220330