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2220123210112 = 2789194884411
BaseRepresentation
bin100000010011101001101…
…001111100000110000000
321212020112012111112012201
4200103221221330012000
5242333303020210422
64415524401202544
7316253502630103
oct40235151740600
97766465445181
102220123210112
11786604745645
122ba336930454
1313148393a262
147965136a73a
153cb3ce09727
hex204e9a7c180

2220123210112 has 32 divisors (see below), whose sum is σ = 4472597255400. Its totient is φ = 1097588997120.

The previous prime is 2220123210103. The next prime is 2220123210203. The reversal of 2220123210112 is 2110123210222.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 2220123210112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97430814 + ... + 97453597.

Almost surely, 22220123210112 is an apocalyptic number.

It is an amenable number.

2220123210112 is an abundant number, since it is smaller than the sum of its proper divisors (2252474045288).

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

2220123210112 is an equidigital number, since it uses as much as digits as its factorization.

2220123210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194884514 (or 194884502 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2220123210112 its reverse (2110123210222), we get a palindrome (4330246420334).

The spelling of 2220123210112 in words is "two trillion, two hundred twenty billion, one hundred twenty-three million, two hundred ten thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 89 128 178 356 712 1424 2848 5696 11392 194884411 389768822 779537644 1559075288 3118150576 6236301152 12472602304 17344712579 24945204608 34689425158 69378850316 138757700632 277515401264 555030802528 1110061605056 2220123210112