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3129984000 = 2103253111319
BaseRepresentation
bin1011101010001111…
…1100010000000000
322002010121122212100
42322203330100000
522402233442000
61234330230400
7140364265533
oct27243742000
98063548770
103129984000
111366881340
12734285400
133ab5c5950
142199a0a1a
15134bbca00
hexba8fc400

3129984000 has 1056 divisors, whose sum is σ = 13948421760. Its totient is φ = 663552000.

The previous prime is 3129983999. The next prime is 3129984071. The reversal of 3129984000 is 4899213.

It is a tau number, because it is divible by the number of its divisors (1056).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 164735991 + ... + 164736009.

Almost surely, 23129984000 is an apocalyptic number.

3129984000 is a gapful number since it is divisible by the number (30) 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 3129984000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6974210880).

3129984000 is an abundant number, since it is smaller than the sum of its proper divisors (10818437760).

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

3129984000 is a wasteful number, since it uses less digits than its factorization.

3129984000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 3129984000 is about 55946.2599286136. The cubic root of 3129984000 is about 1462.7856991708.

The spelling of 3129984000 in words is "three billion, one hundred twenty-nine million, nine hundred eighty-four thousand".