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27099098208 = 2534713114889
BaseRepresentation
bin11001001111001110…
…110110110001100000
32120221120201211020000
4121033032312301200
5420444332120313
620241003420000
71646353351140
oct311716666140
976846654200
1027099098208
1110546809636
125303524600
13272b399a70
14145107a920
15a8910c673
hex64f3b6c60

27099098208 has 240 divisors, whose sum is σ = 98090324640. Its totient is φ = 7146952704.

The previous prime is 27099098189. The next prime is 27099098209. The reversal of 27099098208 is 80289099072.

It is a super-2 number, since 2×270990982082 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27099098209) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 178428 + ... + 293316.

It is an arithmetic number, because the mean of its divisors is an integer number (408709686).

Almost surely, 227099098208 is an apocalyptic number.

27099098208 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 27099098208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49045162320).

27099098208 is an abundant number, since it is smaller than the sum of its proper divisors (70991226432).

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

27099098208 is a wasteful number, since it uses less digits than its factorization.

27099098208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114931 (or 114914 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 27099098208 in words is "twenty-seven billion, ninety-nine million, ninety-eight thousand, two hundred eight".