Search a number
-
+
109809250560000 = 211355417191093
BaseRepresentation
bin11000111101111011110101…
…010111110110100000000000
3112101210122212110211020100000
4120331323311113312200000
5103343103321120410000
61025313401233200000
732062312411160325
oct3075736527664000
9471718773736300
10109809250560000
1131a96929246702
1210395927a00000
134936c7760cb34
141d18b20658b4c
15ca65cd460000
hex63def55f6800

109809250560000 has 2880 divisors, whose sum is σ = 458486071243200. Its totient is φ = 26085556224000.

The previous prime is 109809250559989. The next prime is 109809250560001. The reversal of 109809250560000 is 65052908901.

109809250560000 is a `hidden beast` number, since 1 + 0 + 9 + 80 + 9 + 2 + 5 + 0 + 560 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2880).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (109809250560001) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 100465919454 + ... + 100465920546.

It is an arithmetic number, because the mean of its divisors is an integer number (159196552515).

Almost surely, 2109809250560000 is an apocalyptic number.

109809250560000 is a gapful number since it is divisible by the number (10) 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 109809250560000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229243035621600).

109809250560000 is an abundant number, since it is smaller than the sum of its proper divisors (348676820683200).

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

109809250560000 is an equidigital number, since it uses as much as digits as its factorization.

109809250560000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The spelling of 109809250560000 in words is "one hundred nine trillion, eight hundred nine billion, two hundred fifty million, five hundred sixty thousand".