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220231330122 = 231912227157999
BaseRepresentation
bin1100110100011011001…
…1110110100101001010
3210001110022002202000110
43031012303312211022
512102013210030442
6245101201415150
721624352263516
oct3150663664512
9701408082013
10220231330122
1185443931a41
123682303a4b6
13179c990062b
14a932dc3146
155ade68769c
hex3346cf694a

220231330122 has 32 divisors (see below), whose sum is σ = 463685760000. Its totient is φ = 69540607728.

The previous prime is 220231330093. The next prime is 220231330139. The reversal of 220231330122 is 221033132022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1314879 + ... + 1472877.

It is an arithmetic number, because the mean of its divisors is an integer number (14490180000).

Almost surely, 2220231330122 is an apocalyptic number.

220231330122 is an abundant number, since it is smaller than the sum of its proper divisors (243454429878).

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

220231330122 is a wasteful number, since it uses less digits than its factorization.

220231330122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170250.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 220231330122 its reverse (221033132022), we get a palindrome (441264462144).

The spelling of 220231330122 in words is "two hundred twenty billion, two hundred thirty-one million, three hundred thirty thousand, one hundred twenty-two".

Divisors: 1 2 3 6 19 38 57 114 12227 24454 36681 73362 157999 232313 315998 464626 473997 696939 947994 1393878 3001981 6003962 9005943 18011886 1931853773 3863707546 5795561319 11591122638 36705221687 73410443374 110115665061 220231330122