Base | Representation |
---|---|
bin | 11101010010001111… |
… | …000001110010111100 |
3 | 10000011102021011201002 |
4 | 131102033001302330 |
5 | 1003344234123200 |
6 | 22240111305432 |
7 | 2162136230615 |
oct | 352217016274 |
9 | 100142234632 |
10 | 31444442300 |
11 | 123766279a7 |
12 | 611681b278 |
13 | 2c7170439b |
14 | 1744208c0c |
15 | c4084bbd5 |
hex | 7523c1cbc |
31444442300 has 72 divisors (see below), whose sum is σ = 69873142416. Its totient is φ = 12276149760.
The previous prime is 31444442243. The next prime is 31444442311. The reversal of 31444442300 is 324444413.
It is a happy number.
It is a super-3 number, since 3×314444423003 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
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, 10632422 + ... + 10635378.
Almost surely, 231444442300 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 31444442300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34936571208).
31444442300 is an abundant number, since it is smaller than the sum of its proper divisors (38428700116).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31444442300 is a wasteful number, since it uses less digits than its factorization.
31444442300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5487 (or 5480 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 29.
Adding to 31444442300 its reverse (324444413), we get a palindrome (31768886713).
It can be divided in two parts, 3144 and 4442300, that added together give a palindrome (4445444).
The spelling of 31444442300 in words is "thirty-one billion, four hundred forty-four million, four hundred forty-two thousand, three hundred".
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