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22101311320 = 2351150230253
BaseRepresentation
bin10100100101010101…
…110011111101011000
32010001021111221110221
4110211111303331120
5330230413430240
614053031445424
71411456021654
oct244525637530
963037457427
1022101311320
119411683350
124349826874
132112b3460a
1410d93d3a64
15895491a4a
hex525573f58

22101311320 has 32 divisors (see below), whose sum is σ = 54248674320. Its totient is φ = 8036840320.

The previous prime is 22101311279. The next prime is 22101311357. The reversal of 22101311320 is 2311310122.

It is a junction number, because it is equal to n+sod(n) for n = 22101311294 and 22101311303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25114687 + ... + 25115566.

Almost surely, 222101311320 is an apocalyptic number.

22101311320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101311320 is an abundant number, since it is smaller than the sum of its proper divisors (32147363000).

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

22101311320 is a wasteful number, since it uses less digits than its factorization.

22101311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50230275 (or 50230271 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 22101311320 its reverse (2311310122), we get a palindrome (24412621442).

The spelling of 22101311320 in words is "twenty-two billion, one hundred one million, three hundred eleven thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 50230253 100460506 200921012 251151265 401842024 502302530 552532783 1004605060 1105065566 2009210120 2210131132 2762663915 4420262264 5525327830 11050655660 22101311320