Base | Representation |
---|---|
bin | 100001111011000111100… |
… | …011010100111011110000 |
3 | 22020212021202002102110100 |
4 | 201323013203110323300 |
5 | 301143314332414300 |
6 | 4542540415232400 |
7 | 330265544522232 |
oct | 41730743247360 |
9 | 8225252072410 |
10 | 2331220201200 |
11 | 819735035360 |
12 | 317980b18700 |
13 | 13baaa4a33c7 |
14 | 80b90108252 |
15 | 40991491700 |
hex | 21ec78d4ef0 |
2331220201200 has 360 divisors, whose sum is σ = 8975027168640. Its totient is φ = 555565017600.
The previous prime is 2331220201183. The next prime is 2331220201213. The reversal of 2331220201200 is 21020221332.
2331220201200 is a `hidden beast` number, since 233 + 12 + 20 + 201 + 200 = 666.
It is a tau number, because it is divible by the number of its divisors (360).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1837509 + ... + 2835291.
It is an arithmetic number, because the mean of its divisors is an integer number (24930631024).
Almost surely, 22331220201200 is an apocalyptic number.
2331220201200 is a gapful number since it is divisible by the number (20) 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 2331220201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4487513584320).
2331220201200 is an abundant number, since it is smaller than the sum of its proper divisors (6643806967440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2331220201200 is a wasteful number, since it uses less digits than its factorization.
2331220201200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 997877 (or 997863 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 2331220201200 its reverse (21020221332), we get a palindrome (2352240422532).
The spelling of 2331220201200 in words is "two trillion, three hundred thirty-one billion, two hundred twenty million, two hundred one thousand, two hundred".
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