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7672216320 = 2834573999
BaseRepresentation
bin1110010010100110…
…01011101100000000
3201210200121222020000
413021103023230000
5111203041410240
63305150120000
7361060522416
oct71123135400
921720558200
107672216320
11328784774a
1215a14b0000
13953668092
1452ad412b6
152ed84e430
hex1c94cbb00

7672216320 has 180 divisors, whose sum is σ = 27452964000. Its totient is φ = 2045896704.

The previous prime is 7672216271. The next prime is 7672216333. The reversal of 7672216320 is 236122767.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (180).

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 polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 66681 + ... + 140679.

Almost surely, 27672216320 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 7672216320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13726482000).

7672216320 is an abundant number, since it is smaller than the sum of its proper divisors (19780747680).

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

7672216320 is an equidigital number, since it uses as much as digits as its factorization.

7672216320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74032 (or 74009 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 7672216320 is about 87591.1885979406. The cubic root of 7672216320 is about 1972.3028992432.

The spelling of 7672216320 in words is "seven billion, six hundred seventy-two million, two hundred sixteen thousand, three hundred twenty".