Base | Representation |
---|---|
bin | 1101101101010010100001… |
… | …01001000011000011110000 |
3 | 10221201200110200222111110112 |
4 | 12312221100221003003300 |
5 | 12422332222423433130 |
6 | 144035411355120452 |
7 | 6230535244350332 |
oct | 666512051030360 |
9 | 127650420874415 |
10 | 30143433421040 |
11 | 9671838368245 |
12 | 3469bbaa43128 |
13 | 13a868a429214 |
14 | 762d429a5452 |
15 | 374177155495 |
hex | 1b6a50a430f0 |
30143433421040 has 40 divisors (see below), whose sum is σ = 70168227093360. Its totient is φ = 12042793688576.
The previous prime is 30143433421019. The next prime is 30143433421091. The reversal of 30143433421040 is 4012433434103.
It is a tau number, because it is divible by the number of its divisors (40).
It is a junction number, because it is equal to n+sod(n) for n = 30143433420988 and 30143433421006.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227740925 + ... + 227873244.
It is an arithmetic number, because the mean of its divisors is an integer number (1754205677334).
Almost surely, 230143433421040 is an apocalyptic number.
It is an amenable number.
30143433421040 is an abundant number, since it is smaller than the sum of its proper divisors (40024793672320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30143433421040 is a wasteful number, since it uses less digits than its factorization.
30143433421040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 455615009 (or 455615003 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 32.
Adding to 30143433421040 its reverse (4012433434103), we get a palindrome (34155866855143).
The spelling of 30143433421040 in words is "thirty trillion, one hundred forty-three billion, four hundred thirty-three million, four hundred twenty-one thousand, forty".
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