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1112222010112 = 28131198716691
BaseRepresentation
bin10000001011110101100…
…110010000101100000000
310221022211122221012200221
4100023311212100230000
5121210312313310422
62210540413352424
7143232620046043
oct20136546205400
93838748835627
101112222010112
113997663690a4
1215b680a98714
1380b60c32415
143bb90796c5a
151dde89773c7
hex102f5990b00

1112222010112 has 72 divisors (see below), whose sum is σ = 2238306662592. Its totient is φ = 551555097600.

The previous prime is 1112222010049. The next prime is 1112222010113. The reversal of 1112222010112 is 2110102222111.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1112222010113) 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, 66627687 + ... + 66644377.

It is an arithmetic number, because the mean of its divisors is an integer number (31087592536).

Almost surely, 21112222010112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112222010112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1119153331296).

1112222010112 is an abundant number, since it is smaller than the sum of its proper divisors (1126084652480).

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

1112222010112 is a wasteful number, since it uses less digits than its factorization.

1112222010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18825 (or 18811 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1112222010112 its reverse (2110102222111), we get a palindrome (3222324232223).

The spelling of 1112222010112 in words is "one trillion, one hundred twelve billion, two hundred twenty-two million, ten thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 131 256 262 524 1048 1987 2096 3974 4192 7948 8384 15896 16691 16768 31792 33382 33536 63584 66764 127168 133528 254336 260297 267056 508672 520594 534112 1041188 1068224 2082376 2136448 2186521 4164752 4272896 4373042 8329504 8746084 16659008 17492168 33165017 33318016 34984336 66330034 66636032 69968672 132660068 139937344 265320136 279874688 530640272 559749376 1061280544 2122561088 4245122176 4344617227 8490244352 8689234454 17378468908 34756937816 69513875632 139027751264 278055502528 556111005056 1112222010112