Base | Representation |
---|---|
bin | 10011000100010101… |
… | …101010110110110000 |
3 | 1221211212020001222222 |
4 | 103010111222312300 |
5 | 313412303242310 |
6 | 13223334220212 |
7 | 1323235100066 |
oct | 230425526660 |
9 | 57755201888 |
10 | 20473884080 |
11 | 8756a79161 |
12 | 3b747b4668 |
13 | 1c13917910 |
14 | dc3200036 |
15 | 7ec676055 |
hex | 4c456adb0 |
20473884080 has 40 divisors (see below), whose sum is σ = 51263458512. Its totient is φ = 7559587584.
The previous prime is 20473884073. The next prime is 20473884083. The reversal of 20473884080 is 8048837402.
It is a tau number, because it is divible by the number of its divisors (40).
It is not an unprimeable number, because it can be changed into a prime (20473884083) 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, 9842174 + ... + 9844253.
Almost surely, 220473884080 is an apocalyptic number.
20473884080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20473884080 is an abundant number, since it is smaller than the sum of its proper divisors (30789574432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20473884080 is a wasteful number, since it uses less digits than its factorization.
20473884080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19686453 (or 19686447 counting only the distinct ones).
The product of its (nonzero) digits is 344064, while the sum is 44.
The spelling of 20473884080 in words is "twenty billion, four hundred seventy-three million, eight hundred eighty-four thousand, eighty".
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