Search a number
-
+
11996343233280 = 28345761270973
BaseRepresentation
bin1010111010010001110111…
…0001101110101100000000
31120110211122210020002220000
42232210131301232230000
53033022002331431110
641303013300520000
72345464366011030
oct256443561565400
946424583202800
1011996343233280
11390569101394a
121418b7b0b0000
13690333c253b3
142d68aa0938c0
1515c0bbd991c0
hexae91dc6eb00

11996343233280 has 720 divisors, whose sum is σ = 49861669940544. Its totient is φ = 2697060188160.

The previous prime is 11996343233269. The next prime is 11996343233293. The reversal of 11996343233280 is 8233234369911.

11996343233280 is a `hidden beast` number, since 1 + 1 + 9 + 9 + 6 + 34 + 323 + 3 + 280 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 44135874 + ... + 44406846.

Almost surely, 211996343233280 is an apocalyptic number.

11996343233280 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 11996343233280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24930834970272).

11996343233280 is an abundant number, since it is smaller than the sum of its proper divisors (37865326707264).

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

11996343233280 is an equidigital number, since it uses as much as digits as its factorization.

11996343233280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271074 (or 271051 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 54.

The spelling of 11996343233280 in words is "eleven trillion, nine hundred ninety-six billion, three hundred forty-three million, two hundred thirty-three thousand, two hundred eighty".