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18822745088 = 21074675623
BaseRepresentation
bin10001100001111011…
…000100110000000000
31210120210022112002222
4101201323010300000
5302022110320323
612351432430212
71234305456560
oct214173046000
953523275088
1018822745088
117a89a48a84
123793848368
131a0c8181b4
14ca7bd6da0
157527249c8
hex461ec4c00

18822745088 has 88 divisors (see below), whose sum is σ = 43102156032. Its totient is φ = 8048185344.

The previous prime is 18822745069. The next prime is 18822745111. The reversal of 18822745088 is 88054722881.

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, 3344645 + ... + 3350267.

Almost surely, 218822745088 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 18822745088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21551078016).

18822745088 is an abundant number, since it is smaller than the sum of its proper divisors (24279410944).

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

18822745088 is an equidigital number, since it uses as much as digits as its factorization.

18822745088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6117 (or 6099 counting only the distinct ones).

The product of its (nonzero) digits is 2293760, while the sum is 53.

The spelling of 18822745088 in words is "eighteen billion, eight hundred twenty-two million, seven hundred forty-five thousand, eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 467 512 896 934 1024 1792 1868 3269 3584 3736 5623 6538 7168 7472 11246 13076 14944 22492 26152 29888 39361 44984 52304 59776 78722 89968 104608 119552 157444 179936 209216 239104 314888 359872 418432 478208 629776 719744 836864 1259552 1439488 1673728 2519104 2625941 2878976 3347456 5038208 5251882 5757952 10076416 10503764 18381587 20152832 21007528 36763174 40305664 42015056 73526348 84030112 147052696 168060224 294105392 336120448 588210784 672240896 1176421568 1344481792 2352843136 2688963584 4705686272 9411372544 18822745088