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13919362080 = 25351331471531
BaseRepresentation
bin11001111011010100…
…01001110000100000
31022221001201212010220
430331222021300200
5212001324041310
610221112123040
71001635424361
oct147552116040
938831655126
1013919362080
1159a3131828
122845696480
13140a9b7330
149608c5b68
15567005670
hex33da89c20

13919362080 has 384 divisors, whose sum is σ = 49811521536. Its totient is φ = 3243110400.

The previous prime is 13919362003. The next prime is 13919362139. The reversal of 13919362080 is 8026391931.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9090915 + ... + 9092445.

It is an arithmetic number, because the mean of its divisors is an integer number (129717504).

Almost surely, 213919362080 is an apocalyptic number.

13919362080 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 13919362080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24905760768).

13919362080 is an abundant number, since it is smaller than the sum of its proper divisors (35892159456).

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

13919362080 is a wasteful number, since it uses less digits than its factorization.

13919362080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640 (or 1632 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 13919362080 in words is "thirteen billion, nine hundred nineteen million, three hundred sixty-two thousand, eighty".