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16289910000 = 243454713217
BaseRepresentation
bin11110010101111010…
…00100110011110000
31120001021100011120000
433022331010303300
5231330204110000
611252233150000
71114451643660
oct171275046360
946037304500
1016289910000
1169aa258541
1231a755b300
1316c7b60500
14b0767a1a0
156551b0000
hex3caf44cf0

16289910000 has 1500 divisors, whose sum is σ = 77199000912. Its totient is φ = 3234816000.

The previous prime is 16289909989. The next prime is 16289910001. The reversal of 16289910000 is 1998261.

It is a tau number, because it is divible by the number of its divisors (1500).

It is a super-2 number, since 2×162899100002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16289910001) by changing a digit.

It is a polite number, since it can be written in 299 ways as a sum of consecutive naturals, for example, 958229992 + ... + 958230008.

Almost surely, 216289910000 is an apocalyptic number.

16289910000 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 16289910000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38599500456).

16289910000 is an abundant number, since it is smaller than the sum of its proper divisors (60909090912).

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

16289910000 is a wasteful number, since it uses less digits than its factorization.

16289910000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The spelling of 16289910000 in words is "sixteen billion, two hundred eighty-nine million, nine hundred ten thousand".