Base | Representation |
---|---|
bin | 100101101001111100011001… |
… | …0010101000001000101100000 |
3 | 1121102202100001111211102102221 |
4 | 1023103320302111001011200 |
5 | 321403202312332200300 |
6 | 3132240232253120424 |
7 | 126523602435502000 |
oct | 11323706225010540 |
9 | 1542670044742387 |
10 | 331220132303200 |
11 | 9659a73a880a78 |
12 | 31194820189114 |
13 | 112a7c0304a5ba |
14 | 5bb11d5dd2000 |
15 | 2845be09c531a |
hex | 12d3e32541160 |
331220132303200 has 288 divisors, whose sum is σ = 943018602321600. Its totient is φ = 113554544947200.
The previous prime is 331220132303147. The next prime is 331220132303201. The reversal of 331220132303200 is 2303231022133.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (331220132303201) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7963341604 + ... + 7963383196.
It is an arithmetic number, because the mean of its divisors is an integer number (3274370146950).
Almost surely, 2331220132303200 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 331220132303200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471509301160800).
331220132303200 is an abundant number, since it is smaller than the sum of its proper divisors (611798470018400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
331220132303200 is a wasteful number, since it uses less digits than its factorization.
331220132303200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70655 (or 70628 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 25.
Adding to 331220132303200 its reverse (2303231022133), we get a palindrome (333523363325333).
The spelling of 331220132303200 in words is "three hundred thirty-one trillion, two hundred twenty billion, one hundred thirty-two million, three hundred three thousand, two hundred".
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