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16908115968 = 21332534327
BaseRepresentation
bin11111011111100110…
…10110000000000000
31121122100121021201100
433233303112000000
5234111434202333
611433435334400
71135666420512
oct175763260000
947570537640
1016908115968
117197210867
12333a5b1400
131795c61a63
14b65801bb2
1568e5c7213
hex3efcd6000

16908115968 has 168 divisors, whose sum is σ = 49775748048. Its totient is φ = 5528420352.

The previous prime is 16908115963. The next prime is 16908115997. The reversal of 16908115968 is 86951180961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16908115963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3905421 + ... + 3909747.

Almost surely, 216908115968 is an apocalyptic number.

16908115968 is a gapful number since it is divisible by the number (18) 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 16908115968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24887874024).

16908115968 is an abundant number, since it is smaller than the sum of its proper divisors (32867632080).

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

16908115968 is an equidigital number, since it uses as much as digits as its factorization.

16908115968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4412 (or 4385 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 54.

The spelling of 16908115968 in words is "sixteen billion, nine hundred eight million, one hundred fifteen thousand, nine hundred sixty-eight".