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14686888220 = 2254391918583
BaseRepresentation
bin11011010110110100…
…00010000100011100
31101220112222020001222
431223122002010130
5220034320410340
610425210552512
71026645330044
oct155332020434
941815866058
1014686888220
116257402554
122a1a738738
131500a0a204
149d47da724
155ae5b58b5
hex36b68211c

14686888220 has 48 divisors (see below), whose sum is σ = 31595773440. Its totient is φ = 5731580736.

The previous prime is 14686888219. The next prime is 14686888277. The reversal of 14686888220 is 2288868641.

It is a congruent number.

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, 781049 + ... + 799631.

It is an arithmetic number, because the mean of its divisors is an integer number (658245280).

Almost surely, 214686888220 is an apocalyptic number.

14686888220 is a gapful number since it is divisible by the number (10) 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 14686888220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15797886720).

14686888220 is an abundant number, since it is smaller than the sum of its proper divisors (16908885220).

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

14686888220 is a wasteful number, since it uses less digits than its factorization.

14686888220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19554 (or 19552 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 53.

The spelling of 14686888220 in words is "fourteen billion, six hundred eighty-six million, eight hundred eighty-eight thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 919 1838 3676 4595 9190 18380 18583 37166 39517 74332 79034 92915 158068 185830 197585 371660 395170 790340 799069 1598138 3196276 3995345 7990690 15981380 17077777 34155554 68311108 85388885 170777770 341555540 734344411 1468688822 2937377644 3671722055 7343444110 14686888220