Base | Representation |
---|---|
bin | 101101010110010101… |
… | …110010010011110000 |
3 | 11122200111211102221121 |
4 | 231112111302103300 |
5 | 1244210424120140 |
6 | 34211440032024 |
7 | 3342443205442 |
oct | 552625622360 |
9 | 148614742847 |
10 | 48693191920 |
11 | 1971804587a |
12 | 952b302614 |
13 | 47900bccc9 |
14 | 24dcd5a492 |
15 | 13eecac64a |
hex | b565724f0 |
48693191920 has 160 divisors (see below), whose sum is σ = 117743321088. Its totient is φ = 18716350464.
The previous prime is 48693191909. The next prime is 48693191927. The reversal of 48693191920 is 2919139684.
48693191920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48693191927) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51094164 + ... + 51095116.
Almost surely, 248693191920 is an apocalyptic number.
48693191920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 48693191920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58871660544).
48693191920 is an abundant number, since it is smaller than the sum of its proper divisors (69050129168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48693191920 is a wasteful number, since it uses less digits than its factorization.
48693191920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1247 (or 1241 counting only the distinct ones).
The product of its (nonzero) digits is 839808, while the sum is 52.
The spelling of 48693191920 in words is "forty-eight billion, six hundred ninety-three million, one hundred ninety-one thousand, nine hundred twenty".
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