Base | Representation |
---|---|
bin | 1001101001010101101… |
… | …00111110011101101000 |
3 | 1011200110222220212211002 |
4 | 10310222310332131220 |
5 | 20412232314342300 |
6 | 412131324454132 |
7 | 32642112056411 |
oct | 4645264763550 |
9 | 1150428825732 |
10 | 331431012200 |
11 | 118617190a42 |
12 | 542976aa348 |
13 | 2533b810092 |
14 | 12081652808 |
15 | 894bc565d5 |
hex | 4d2ad3e768 |
331431012200 has 96 divisors (see below), whose sum is σ = 773978587200. Its totient is φ = 131988426240.
The previous prime is 331431012193. The next prime is 331431012221. The reversal of 331431012200 is 2210134133.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50450516 + ... + 50457084.
It is an arithmetic number, because the mean of its divisors is an integer number (8062276950).
Almost surely, 2331431012200 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 331431012200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386989293600).
331431012200 is an abundant number, since it is smaller than the sum of its proper divisors (442547575000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
331431012200 is a wasteful number, since it uses less digits than its factorization.
331431012200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7659 (or 7650 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 331431012200 its reverse (2210134133), we get a palindrome (333641146333).
The spelling of 331431012200 in words is "three hundred thirty-one billion, four hundred thirty-one million, twelve thousand, two hundred".
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