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21223303033120 = 255659201283223
BaseRepresentation
bin1001101001101011011110…
…11100000011000100100000
32210010221001110221100111221
410310311233130003010200
510240210311034024440
6113045503435344424
74320222143155666
oct464655734030440
983127043840457
1021223303033120
1168428302a9891
1224692752b2114
13bac46c67b126
145352db5d6c36
1526c10078dd4a
hex134d6f703120

21223303033120 has 48 divisors (see below), whose sum is σ = 50216138723520. Its totient is φ = 8476439044864.

The previous prime is 21223303033063. The next prime is 21223303033199. The reversal of 21223303033120 is 2133030332212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100536172 + ... + 100747051.

It is an arithmetic number, because the mean of its divisors is an integer number (1046169556740).

Almost surely, 221223303033120 is an apocalyptic number.

21223303033120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21223303033120 is an abundant number, since it is smaller than the sum of its proper divisors (28992835690400).

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

21223303033120 is a wasteful number, since it uses less digits than its factorization.

21223303033120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201283897 (or 201283889 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 21223303033120 its reverse (2133030332212), we get a palindrome (23356333365332).

The spelling of 21223303033120 in words is "twenty-one trillion, two hundred twenty-three billion, three hundred three million, thirty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 659 1318 2636 3295 5272 6590 10544 13180 21088 26360 52720 105440 201283223 402566446 805132892 1006416115 1610265784 2012832230 3220531568 4025664460 6441063136 8051328920 16102657840 32205315680 132645643957 265291287914 530582575828 663228219785 1061165151656 1326456439570 2122330303312 2652912879140 4244660606624 5305825758280 10611651516560 21223303033120