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220112120144 = 2471999875813
BaseRepresentation
bin1100110011111110110…
…1000110100101010000
3210001010222210020200002
43030333231012211100
512101242200321034
6245041302345132
721621404102540
oct3147755064520
9701128706602
10220112120144
118539260a7a4
12367ab12b1a8
13179aacc2197
14a921231320
155ad3e8ae7e
hex333fb46950

220112120144 has 40 divisors (see below), whose sum is σ = 489840374400. Its totient is φ = 93859717248.

The previous prime is 220112120143. The next prime is 220112120147. The reversal of 220112120144 is 441021211022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220112120143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4915619 + ... + 4960194.

It is an arithmetic number, because the mean of its divisors is an integer number (12246009360).

Almost surely, 2220112120144 is an apocalyptic number.

It is an amenable number.

220112120144 is an abundant number, since it is smaller than the sum of its proper divisors (269728254256).

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

220112120144 is a wasteful number, since it uses less digits than its factorization.

220112120144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9876027 (or 9876021 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 220112120144 its reverse (441021211022), we get a palindrome (661133331166).

The spelling of 220112120144 in words is "two hundred twenty billion, one hundred twelve million, one hundred twenty thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 199 398 796 1393 1592 2786 3184 5572 11144 22288 9875813 19751626 39503252 69130691 79006504 138261382 158013008 276522764 553045528 1106091056 1965286787 3930573574 7861147148 13757007509 15722294296 27514015018 31444588592 55028030036 110056060072 220112120144