Base | Representation |
---|---|
bin | 10010101000010101… |
… | …011010000110110001 |
3 | 1220122010011012111121 |
4 | 102220111122012301 |
5 | 311432014202200 |
6 | 13104552142241 |
7 | 1305501435316 |
oct | 225025320661 |
9 | 56563135447 |
10 | 20004053425 |
11 | 8535848464 |
12 | 3a63397981 |
13 | 1b6a496905 |
14 | d7aa5cd0d |
15 | 7c12bbe1a |
hex | 4a855a1b1 |
20004053425 has 24 divisors (see below), whose sum is σ = 26438164992. Its totient is φ = 14962080000.
The previous prime is 20004053413. The next prime is 20004053453. The reversal of 20004053425 is 52435040002.
It is not a de Polignac number, because 20004053425 - 27 = 20004053297 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a self number, because there is not a number n which added to its sum of digits gives 20004053425.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91681 + ... + 220030.
It is an arithmetic number, because the mean of its divisors is an integer number (1101590208).
Almost surely, 220004053425 is an apocalyptic number.
20004053425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20004053425 is a deficient number, since it is larger than the sum of its proper divisors (6434111567).
20004053425 is a wasteful number, since it uses less digits than its factorization.
20004053425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 311889 (or 311884 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 25.
Adding to 20004053425 its reverse (52435040002), we get a palindrome (72439093427).
The spelling of 20004053425 in words is "twenty billion, four million, fifty-three thousand, four hundred twenty-five".
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