Base | Representation |
---|---|
bin | 10010101010101010… |
… | …010111101110010101 |
3 | 1220201211122010121210 |
4 | 102222222113232111 |
5 | 312022013300000 |
6 | 13112505132033 |
7 | 1306454364663 |
oct | 225252275625 |
9 | 56654563553 |
10 | 20043103125 |
11 | 855589a041 |
12 | 3a7448a019 |
13 | 1b755b9a46 |
14 | d81d05c33 |
15 | 7c4932350 |
hex | 4aaa97b95 |
20043103125 has 24 divisors (see below), whose sum is σ = 33403049568. Its totient is φ = 10689650000.
The previous prime is 20043103099. The next prime is 20043103163. The reversal of 20043103125 is 52130134002.
It is not a de Polignac number, because 20043103125 - 212 = 20043099029 is a prime.
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 23 ways as a sum of consecutive naturals, for example, 1059591 + ... + 1078340.
It is an arithmetic number, because the mean of its divisors is an integer number (1391793732).
Almost surely, 220043103125 is an apocalyptic number.
20043103125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20043103125 is a deficient number, since it is larger than the sum of its proper divisors (13359946443).
20043103125 is an frugal number, since it uses more digits than its factorization.
20043103125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2137959 (or 2137939 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 21.
Adding to 20043103125 its reverse (52130134002), we get a palindrome (72173237127).
The spelling of 20043103125 in words is "twenty billion, forty-three million, one hundred three thousand, one hundred twenty-five".
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