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9319993980 = 223511171914349
BaseRepresentation
bin10001010111000001…
…11101001001111100
3220001112012202020020
420223200331021330
5123041404301410
64140451452140
7446646433053
oct105340751174
926045182206
109319993980
113a52991470
1219812b7050
13b56b5b84b
14645b1139a
15398339a70
hex22b83d27c

9319993980 has 192 divisors, whose sum is σ = 30307737600. Its totient is φ = 2114867200.

The previous prime is 9319993957. The next prime is 9319994009. The reversal of 9319993980 is 893999139.

9319993980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2140846 + ... + 2145194.

It is an arithmetic number, because the mean of its divisors is an integer number (157852800).

Almost surely, 29319993980 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 9319993980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15153868800).

9319993980 is an abundant number, since it is smaller than the sum of its proper divisors (20987743620).

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

9319993980 is a wasteful number, since it uses less digits than its factorization.

9319993980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4580 (or 4578 counting only the distinct ones).

The product of its (nonzero) digits is 4251528, while the sum is 60.

The square root of 9319993980 is about 96540.1159104338. The cubic root of 9319993980 is about 2104.4496715468.

The spelling of 9319993980 in words is "nine billion, three hundred nineteen million, nine hundred ninety-three thousand, nine hundred eighty".