Base | Representation |
---|---|
bin | 1101110011001001000111… |
… | …01110111001010111100000 |
3 | 10222102220120101222010000011 |
4 | 12321210203232321113200 |
5 | 12434131111110124100 |
6 | 144312031340534304 |
7 | 6251215034336245 |
oct | 671444356712740 |
9 | 128386511863004 |
10 | 30344543442400 |
11 | 973a059768970 |
12 | 34a0b86251394 |
13 | 13c162a6c7565 |
14 | 76c9802735cc |
15 | 3794e7c8ebba |
hex | 1b9923bb95e0 |
30344543442400 has 288 divisors, whose sum is σ = 82710880914816. Its totient is φ = 10775358720000.
The previous prime is 30344543442397. The next prime is 30344543442461. The reversal of 30344543442400 is 424434544303.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3337861855 + ... + 3337870945.
It is an arithmetic number, because the mean of its divisors is an integer number (287190558732).
Almost surely, 230344543442400 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 30344543442400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41355440457408).
30344543442400 is an abundant number, since it is smaller than the sum of its proper divisors (52366337472416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30344543442400 is a wasteful number, since it uses less digits than its factorization.
30344543442400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17986 (or 17973 counting only the distinct ones).
The product of its (nonzero) digits is 1105920, while the sum is 40.
Adding to 30344543442400 its reverse (424434544303), we get a palindrome (30768977986703).
The spelling of 30344543442400 in words is "thirty trillion, three hundred forty-four billion, five hundred forty-three million, four hundred forty-two thousand, four hundred".
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