Base | Representation |
---|---|
bin | 10011000100101110… |
… | …100010100001011100 |
3 | 1221212022111022000202 |
4 | 103010232202201130 |
5 | 313420440403143 |
6 | 13224130043032 |
7 | 1323344362223 |
oct | 230456424134 |
9 | 57768438022 |
10 | 20480403548 |
11 | 875a721350 |
12 | 3b76a19478 |
13 | 1c1508b1a7 |
14 | dc4019cba |
15 | 7ed012ab8 |
hex | 4c4ba285c |
20480403548 has 48 divisors (see below), whose sum is σ = 41017052160. Its totient is φ = 8861630400.
The previous prime is 20480403547. The next prime is 20480403551. The reversal of 20480403548 is 84530408402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20480403547) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22436 + ... + 203627.
It is an arithmetic number, because the mean of its divisors is an integer number (854521920).
Almost surely, 220480403548 is an apocalyptic number.
It is an amenable number.
20480403548 is an abundant number, since it is smaller than the sum of its proper divisors (20536648612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20480403548 is a wasteful number, since it uses less digits than its factorization.
20480403548 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 226178 (or 226176 counting only the distinct ones).
The product of its (nonzero) digits is 122880, while the sum is 38.
The spelling of 20480403548 in words is "twenty billion, four hundred eighty million, four hundred three thousand, five hundred forty-eight".
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