Base | Representation |
---|---|
bin | 10010101000111000… |
… | …110011101000100000 |
3 | 1220122202121122201110 |
4 | 102220320303220200 |
5 | 311441403124044 |
6 | 13105523103320 |
7 | 1305643344456 |
oct | 225070635040 |
9 | 56582548643 |
10 | 20013333024 |
11 | 8540006353 |
12 | 3a66511b40 |
13 | 1b6c3955b9 |
14 | d7bd969d6 |
15 | 7c20016b9 |
hex | 4a8e33a20 |
20013333024 has 48 divisors (see below), whose sum is σ = 52770638592. Its totient is φ = 6641188608.
The previous prime is 20013333017. The next prime is 20013333029. The reversal of 20013333024 is 42033331002.
It is a tau number, because it is divible by the number of its divisors (48).
It is not an unprimeable number, because it can be changed into a prime (20013333029) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446019 + ... + 488834.
It is an arithmetic number, because the mean of its divisors is an integer number (1099388304).
Almost surely, 220013333024 is an apocalyptic number.
20013333024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
20013333024 is an abundant number, since it is smaller than the sum of its proper divisors (32757305568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20013333024 is a wasteful number, since it uses less digits than its factorization.
20013333024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 935089 (or 935081 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 21.
Adding to 20013333024 its reverse (42033331002), we get a palindrome (62046664026).
The spelling of 20013333024 in words is "twenty billion, thirteen million, three hundred thirty-three thousand, twenty-four".
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