Base | Representation |
---|---|
bin | 10010101000001010… |
… | …101110110001111100 |
3 | 1220121220220000010121 |
4 | 102220022232301330 |
5 | 311430310121044 |
6 | 13104412144324 |
7 | 1305435600256 |
oct | 225012566174 |
9 | 56556800117 |
10 | 20001254524 |
11 | 8534206619 |
12 | 3a624680a4 |
13 | 1b69a26964 |
14 | d7a530cd6 |
15 | 7c0e17984 |
hex | 4a82aec7c |
20001254524 has 48 divisors (see below), whose sum is σ = 35800430400. Its totient is φ = 9775434240.
The previous prime is 20001254521. The next prime is 20001254527. The reversal of 20001254524 is 42545210002.
It is an interprime number because it is at equal distance from previous prime (20001254521) and next prime (20001254527).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20001254521) by changing a digit.
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, 30258754 + ... + 30259414.
It is an arithmetic number, because the mean of its divisors is an integer number (745842300).
Almost surely, 220001254524 is an apocalyptic number.
It is an amenable number.
20001254524 is a deficient number, since it is larger than the sum of its proper divisors (15799175876).
20001254524 is a wasteful number, since it uses less digits than its factorization.
20001254524 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1510 (or 1508 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 25.
Adding to 20001254524 its reverse (42545210002), we get a palindrome (62546464526).
The spelling of 20001254524 in words is "twenty billion, one million, two hundred fifty-four thousand, five hundred twenty-four".
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