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22108883328 = 2732710925153
BaseRepresentation
bin10100100101110010…
…101100100110000000
32010001210202122022200
4110211302230212000
5330234333231303
614053502033200
71411610256540
oct244562544600
963053678280
1022108883328
119415985304
124350278800
132114585cac
1410da405320
15895e8a3a3
hex525cac980

22108883328 has 192 divisors, whose sum is σ = 73379248800. Its totient is φ = 6258622464.

The previous prime is 22108883317. The next prime is 22108883353. The reversal of 22108883328 is 82338880122.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×221088833282 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 866400 + ... + 891552.

Almost surely, 222108883328 is an apocalyptic number.

22108883328 is a gapful number since it is divisible by the number (28) 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 22108883328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36689624400).

22108883328 is an abundant number, since it is smaller than the sum of its proper divisors (51270365472).

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

22108883328 is a wasteful number, since it uses less digits than its factorization.

22108883328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25289 (or 25274 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The spelling of 22108883328 in words is "twenty-two billion, one hundred eight million, eight hundred eighty-three thousand, three hundred twenty-eight".