Base | Representation |
---|---|
bin | 1101101100101000110010… |
… | …11111110111010001101100 |
3 | 10221122112122121110001121100 |
4 | 12312110121133313101230 |
5 | 12422000334024230444 |
6 | 144021224533403100 |
7 | 6226113200515350 |
oct | 666243137672154 |
9 | 127575577401540 |
10 | 30121033430124 |
11 | 966329313255a |
12 | 34657a9199490 |
13 | 13a652a769b20 |
14 | 761c19a63460 |
15 | 3737b5865e69 |
hex | 1b65197f746c |
30121033430124 has 144 divisors (see below), whose sum is σ = 93739373465920. Its totient is φ = 7941508738560.
The previous prime is 30121033430099. The next prime is 30121033430167. The reversal of 30121033430124 is 42103433012103.
It is a happy number.
30121033430124 is a `hidden beast` number, since 3 + 0 + 1 + 2 + 1 + 0 + 334 + 301 + 24 = 666.
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, 8975742 + ... + 11866170.
Almost surely, 230121033430124 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 30121033430124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46869686732960).
30121033430124 is an abundant number, since it is smaller than the sum of its proper divisors (63618340035796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30121033430124 is a wasteful number, since it uses less digits than its factorization.
30121033430124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2893640 (or 2893635 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 27.
Adding to 30121033430124 its reverse (42103433012103), we get a palindrome (72224466442227).
The spelling of 30121033430124 in words is "thirty trillion, one hundred twenty-one billion, thirty-three million, four hundred thirty thousand, one hundred twenty-four".
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