Base | Representation |
---|---|
bin | 1101111000111110100011… |
… | …10110110000001010010000 |
3 | 11000011002001212212201221122 |
4 | 12330133101312300022100 |
5 | 13000422212001424130 |
6 | 144544110004541412 |
7 | 6301543253416304 |
oct | 674372166601220 |
9 | 130132055781848 |
10 | 30545033233040 |
11 | 9807091a53017 |
12 | 35139b99b1868 |
13 | 14074cc335881 |
14 | 77855d40dd04 |
15 | 37e82e2122e5 |
hex | 1bc7d1db0290 |
30545033233040 has 80 divisors (see below), whose sum is σ = 71426438772480. Its totient is φ = 12147630904320.
The previous prime is 30545033233031. The next prime is 30545033233081. The reversal of 30545033233040 is 4033233054503.
It is a tau number, because it is divible by the number of its divisors (80).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82972580 + ... + 83339900.
It is an arithmetic number, because the mean of its divisors is an integer number (892830484656).
Almost surely, 230545033233040 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 30545033233040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35713219386240).
30545033233040 is an abundant number, since it is smaller than the sum of its proper divisors (40881405539440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30545033233040 is a wasteful number, since it uses less digits than its factorization.
30545033233040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 373320 (or 373314 counting only the distinct ones).
The product of its (nonzero) digits is 194400, while the sum is 35.
Adding to 30545033233040 its reverse (4033233054503), we get a palindrome (34578266287543).
The spelling of 30545033233040 in words is "thirty trillion, five hundred forty-five billion, thirty-three million, two hundred thirty-three thousand, forty".
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