Base | Representation |
---|---|
bin | 1101101100101010110111… |
… | …00101001100010110100110 |
3 | 10221122122111212122111220101 |
4 | 12312111123211030112212 |
5 | 12422010121340422210 |
6 | 144021530540454314 |
7 | 6226152522326350 |
oct | 666253345142646 |
9 | 127578455574811 |
10 | 30122142123430 |
11 | 9663801a45215 |
12 | 3465a5854a39a |
13 | 13a6676372676 |
14 | 761cc2dc60d0 |
15 | 37382cd67a3a |
hex | 1b655b94c5a6 |
30122142123430 has 16 divisors (see below), whose sum is σ = 61965549511200. Its totient is φ = 10327591585152.
The previous prime is 30122142123419. The next prime is 30122142123481. The reversal of 30122142123430 is 3432124122103.
It is a super-3 number, since 3×301221421234303 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215158157955 + ... + 215158158094.
It is an arithmetic number, because the mean of its divisors is an integer number (3872846844450).
Almost surely, 230122142123430 is an apocalyptic number.
30122142123430 is an abundant number, since it is smaller than the sum of its proper divisors (31843407387770).
30122142123430 is a wasteful number, since it uses less digits than its factorization.
30122142123430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 430316316063.
The product of its (nonzero) digits is 6912, while the sum is 28.
Adding to 30122142123430 its reverse (3432124122103), we get a palindrome (33554266245533).
The spelling of 30122142123430 in words is "thirty trillion, one hundred twenty-two billion, one hundred forty-two million, one hundred twenty-three thousand, four hundred thirty".
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