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223103311112 = 2311109123718803
BaseRepresentation
bin1100111111000111111…
…1100101110100001000
3210022212110020111021202
43033301333211310020
512123403421423422
6250254154123332
722055464566113
oct3176177456410
9708773214252
10223103311112
1186688003850
12372a4a20548
1318066910c76
14ab265c357a
155c0b88eb92
hex33f1fe5d08

223103311112 has 64 divisors (see below), whose sum is σ = 460931169600. Its totient is φ = 100393655040.

The previous prime is 223103311099. The next prime is 223103311139. The reversal of 223103311112 is 211113301322.

It is a happy number.

It is a super-3 number, since 3×2231033111123 (a number of 35 digits) contains 333 as substring.

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, 11855903 + ... + 11874705.

It is an arithmetic number, because the mean of its divisors is an integer number (7202049525).

Almost surely, 2223103311112 is an apocalyptic number.

223103311112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223103311112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230465584800).

223103311112 is an abundant number, since it is smaller than the sum of its proper divisors (237827858488).

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

223103311112 is a wasteful number, since it uses less digits than its factorization.

223103311112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20166 (or 20162 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 223103311112 its reverse (211113301322), we get a palindrome (434216612434).

The spelling of 223103311112 in words is "two hundred twenty-three billion, one hundred three million, three hundred eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 109 218 436 872 1199 1237 2398 2474 4796 4948 9592 9896 13607 18803 27214 37606 54428 75212 108856 134833 150424 206833 269666 413666 539332 827332 1078664 1483163 1654664 2049527 2966326 4099054 5932652 8198108 11865304 16396216 22544797 23259311 45089594 46518622 90179188 93037244 180358376 186074488 255852421 511704842 1023409684 2046819368 2535264899 5070529798 10141059596 20282119192 27887913889 55775827778 111551655556 223103311112