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221023000330 = 25112969286207
BaseRepresentation
bin1100110111010111111…
…1110101011100001010
3210010111110202202101021
43031311333311130022
512110123342002310
6245311521543054
721653104335106
oct3156577653412
9703443682337
10221023000330
118580a7a3540
1236a041a4a8a
1317ac4927c42
14a9aa1c0906
155b38e165da
hex3375ff570a

221023000330 has 32 divisors (see below), whose sum is σ = 448974627840. Its totient is φ = 77600550720.

The previous prime is 221023000279. The next prime is 221023000339. The reversal of 221023000330 is 33000320122.

It is not an unprimeable number, because it can be changed into a prime (221023000339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34639914 + ... + 34646293.

It is an arithmetic number, because the mean of its divisors is an integer number (14030457120).

Almost surely, 2221023000330 is an apocalyptic number.

221023000330 is an abundant number, since it is smaller than the sum of its proper divisors (227951627510).

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

221023000330 is a wasteful number, since it uses less digits than its factorization.

221023000330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69286254.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 221023000330 its reverse (33000320122), we get a palindrome (254023320452).

The spelling of 221023000330 in words is "two hundred twenty-one billion, twenty-three million, three hundred thirty", and thus it is an aban number.

Divisors: 1 2 5 10 11 22 29 55 58 110 145 290 319 638 1595 3190 69286207 138572414 346431035 692862070 762148277 1524296554 2009300003 3810741385 4018600006 7621482770 10046500015 20093000030 22102300033 44204600066 110511500165 221023000330