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9980923680000 = 2835547213231
BaseRepresentation
bin1001000100111101110101…
…1010010001010100000000
31022100011111201202210100000
42101033131122101110000
52302011412430230000
633121101213200000
72050045410323100
oct221173532212400
938304451683300
109980923680000
1131a89822404a9
121152453190000
13575273c48700
142671177a9200
15124960330000
hex913dd691500

9980923680000 has 4860 divisors, whose sum is σ = 48489671438208. Its totient is φ = 2037934080000.

The previous prime is 9980923679963. The next prime is 9980923680029. The reversal of 9980923680000 is 863290899.

It is a tau number, because it is divible by the number of its divisors (4860).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 539 ways as a sum of consecutive naturals, for example, 321965279985 + ... + 321965280015.

Almost surely, 29980923680000 is an apocalyptic number.

9980923680000 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 9980923680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24244835719104).

9980923680000 is an abundant number, since it is smaller than the sum of its proper divisors (38508747758208).

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

9980923680000 is an equidigital number, since it uses as much as digits as its factorization.

9980923680000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 9980923680000 in words is "nine trillion, nine hundred eighty billion, nine hundred twenty-three million, six hundred eighty thousand".