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5721996672 = 273272330851
BaseRepresentation
bin1010101010000111…
…01011110110000000
3112202202221112210200
411111003223312000
543204312343142
62343442125200
7261540112020
oct52503536600
915682845720
105721996672
112476a10877
121138350800
13702600162
143c3d23a80
1523752164c
hex1550ebd80

5721996672 has 192 divisors, whose sum is σ = 19636680960. Its totient is φ = 1563724800.

The previous prime is 5721996659. The next prime is 5721996673. The reversal of 5721996672 is 2766991275.

5721996672 is a `hidden beast` number, since 572 + 1 + 9 + 9 + 6 + 67 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5721996673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170047 + ... + 200897.

It is an arithmetic number, because the mean of its divisors is an integer number (102274380).

Almost surely, 25721996672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5721996672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9818340480).

5721996672 is an abundant number, since it is smaller than the sum of its proper divisors (13914684288).

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

5721996672 is a wasteful number, since it uses less digits than its factorization.

5721996672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30901 (or 30886 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 5721996672 is about 75643.8805984992. The cubic root of 5721996672 is about 1788.6108748541.

The spelling of 5721996672 in words is "five billion, seven hundred twenty-one million, nine hundred ninety-six thousand, six hundred seventy-two".