Base | Representation |
---|---|
bin | 1001000110000101001001… |
… | …01010001000111000101010 |
3 | 2121210222211110112101102000 |
4 | 10203002210222020320222 |
5 | 10110140231320140132 |
6 | 110311533305351430 |
7 | 4132650605032311 |
oct | 443024452107052 |
9 | 77728743471360 |
10 | 20000130240042 |
11 | 641100a133337 |
12 | 22b01ab198576 |
13 | b21009284854 |
14 | 4d2023681278 |
15 | 24a3b151087c |
hex | 1230a4a88e2a |
20000130240042 has 32 divisors (see below), whose sum is σ = 44445518424000. Its totient is φ = 6666592396464.
The previous prime is 20000130240037. The next prime is 20000130240107. The reversal of 20000130240042 is 24004203100002.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 20000130239997 and 20000130240024.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154368 + ... + 6326459.
It is an arithmetic number, because the mean of its divisors is an integer number (1388922450750).
Almost surely, 220000130240042 is an apocalyptic number.
20000130240042 is an abundant number, since it is smaller than the sum of its proper divisors (24445388183958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20000130240042 is a wasteful number, since it uses less digits than its factorization.
20000130240042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6537987 (or 6537981 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
Adding to 20000130240042 its reverse (24004203100002), we get a palindrome (44004333340044).
The spelling of 20000130240042 in words is "twenty trillion, one hundred thirty million, two hundred forty thousand, forty-two".
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