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27099914940 = 223257431972539
BaseRepresentation
bin11001001111010001…
…111110001010111100
32120221122021022120100
4121033101332022330
5421000034234230
620241033121100
71646363322240
oct311721761274
976848238510
1027099914940
111054721721a
125303859190
13272b5c4737
141451210420
15a8921e660
hex64f47e2bc

27099914940 has 288 divisors, whose sum is σ = 96657200640. Its totient is φ = 6017131008.

The previous prime is 27099914929. The next prime is 27099914951. The reversal of 27099914940 is 4941999072.

It is an interprime number because it is at equal distance from previous prime (27099914929) and next prime (27099914951).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10672191 + ... + 10674729.

It is an arithmetic number, because the mean of its divisors is an integer number (335615280).

Almost surely, 227099914940 is an apocalyptic number.

27099914940 is a gapful number since it is divisible by the number (20) 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 27099914940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48328600320).

27099914940 is an abundant number, since it is smaller than the sum of its proper divisors (69557285700).

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

27099914940 is a wasteful number, since it uses less digits than its factorization.

27099914940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801 (or 2796 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The spelling of 27099914940 in words is "twenty-seven billion, ninety-nine million, nine hundred fourteen thousand, nine hundred forty".