Base | Representation |
---|---|
bin | 10010101000010101… |
… | …001111100110111001 |
3 | 1220122010002000112000 |
4 | 102220111033212321 |
5 | 311432011313200 |
6 | 13104551211213 |
7 | 1305501166050 |
oct | 225025174671 |
9 | 56563060460 |
10 | 20004010425 |
11 | 8535819123 |
12 | 3a63376b09 |
13 | 1b6a480179 |
14 | d7aa4b397 |
15 | 7c12ae300 |
hex | 4a854f9b9 |
20004010425 has 48 divisors (see below), whose sum is σ = 41997847680. Its totient is φ = 9144688320.
The previous prime is 20004010387. The next prime is 20004010451. The reversal of 20004010425 is 52401040002.
20004010425 is a `hidden beast` number, since 200 + 0 + 40 + 1 + 0 + 425 = 666.
It is not a de Polignac number, because 20004010425 - 26 = 20004010361 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 20004010398 and 20004010407.
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, 2112102 + ... + 2121551.
It is an arithmetic number, because the mean of its divisors is an integer number (874955160).
Almost surely, 220004010425 is an apocalyptic number.
20004010425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20004010425 is an abundant number, since it is smaller than the sum of its proper divisors (21993837255).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20004010425 is a wasteful number, since it uses less digits than its factorization.
20004010425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4233679 (or 4233668 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 18.
Adding to 20004010425 its reverse (52401040002), we get a palindrome (72405050427).
The spelling of 20004010425 in words is "twenty billion, four million, ten thousand, four hundred twenty-five".
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