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9797120000 = 212544389
BaseRepresentation
bin10010001111111010…
…00011000000000000
3221021210000021002022
421013331003000000
5130031030320000
64300054141012
7464532101033
oct110775030000
927253007068
109797120000
114178245298
121a95051768
13c01965335
1468d23101a
153c5185585
hex247f43000

9797120000 has 260 divisors, whose sum is σ = 25332797160. Its totient is φ = 3784704000.

The previous prime is 9797119991. The next prime is 9797120017. The reversal of 9797120000 is 217979.

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, 110079956 + ... + 110080044.

Almost surely, 29797120000 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 9797120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12666398580).

9797120000 is an abundant number, since it is smaller than the sum of its proper divisors (15535677160).

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

9797120000 is an frugal number, since it uses more digits than its factorization.

9797120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 9797120000 is about 98980.4021006179. The cubic root of 9797120000 is about 2139.7653103913.

Adding to 9797120000 its reverse (217979), we get a palindrome (9797337979).

The spelling of 9797120000 in words is "nine billion, seven hundred ninety-seven million, one hundred twenty thousand".