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9806080320 = 26355126107
BaseRepresentation
bin10010010000111110…
…01110100101000000
3221022101212111100000
421020133032211000
5130040324032240
64301014200000
7465001210311
oct111037164500
927271774300
109806080320
114182305313
121a98053000
13c037818ba
146904c4608
153c5d55430
hex2487ce940

9806080320 has 168 divisors, whose sum is σ = 34978323744. Its totient is φ = 2614934016.

The previous prime is 9806080313. The next prime is 9806080351. The reversal of 9806080320 is 230806089.

It is a super-2 number, since 2×98060803202 (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 an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14707 + ... + 140813.

It is an arithmetic number, because the mean of its divisors is an integer number (208204308).

Almost surely, 29806080320 is an apocalyptic number.

9806080320 is a gapful number since it is divisible by the number (90) 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 9806080320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17489161872).

9806080320 is an abundant number, since it is smaller than the sum of its proper divisors (25172243424).

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

9806080320 is a wasteful number, since it uses less digits than its factorization.

9806080320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126139 (or 126117 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 9806080320 is about 99025.6548577186. The cubic root of 9806080320 is about 2140.4174455682.

The spelling of 9806080320 in words is "nine billion, eight hundred six million, eighty thousand, three hundred twenty".