Base | Representation |
---|---|
bin | 1101101100101100101101… |
… | …00010100110100110001000 |
3 | 10221122202001210221220101020 |
4 | 12312112112202212212020 |
5 | 12422014133103101412 |
6 | 144022213034152440 |
7 | 6226216163231625 |
oct | 666262642464610 |
9 | 127582053856336 |
10 | 30123131300232 |
11 | 966416a346403 |
12 | 3466093882720 |
13 | 13a67a3290399 |
14 | 761d7851734c |
15 | 373889b0c18c |
hex | 1b65968a6988 |
30123131300232 has 32 divisors (see below), whose sum is σ = 75424947773280. Its totient is φ = 10025427830400.
The previous prime is 30123131300231. The next prime is 30123131300257. The reversal of 30123131300232 is 23200313132103.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (30123131300231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975980269 + ... + 976011132.
It is an arithmetic number, because the mean of its divisors is an integer number (2357029617915).
Almost surely, 230123131300232 is an apocalyptic number.
It is an amenable number.
30123131300232 is an abundant number, since it is smaller than the sum of its proper divisors (45301816473048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30123131300232 is a wasteful number, since it uses less digits than its factorization.
30123131300232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1951992053 (or 1951992049 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 30123131300232 its reverse (23200313132103), we get a palindrome (53323444432335).
The spelling of 30123131300232 in words is "thirty trillion, one hundred twenty-three billion, one hundred thirty-one million, three hundred thousand, two hundred thirty-two".
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