Base | Representation |
---|---|
bin | 101100101011101011… |
… | …111110110100000100 |
3 | 11120211122022002200112 |
4 | 230223223332310010 |
5 | 1241224230340040 |
6 | 34012434132152 |
7 | 3315633533513 |
oct | 545353766404 |
9 | 146748262615 |
10 | 47977590020 |
11 | 1939010a548 |
12 | 936b721058 |
13 | 46a7a7a329 |
14 | 2471cc067a |
15 | 13ac057365 |
hex | b2bafed04 |
47977590020 has 48 divisors (see below), whose sum is σ = 100998975168. Its totient is φ = 19144241280.
The previous prime is 47977589993. The next prime is 47977590047. The reversal of 47977590020 is 2009577974.
It is an interprime number because it is at equal distance from previous prime (47977589993) and next prime (47977590047).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23668247 + ... + 23670273.
It is an arithmetic number, because the mean of its divisors is an integer number (2104145316).
Almost surely, 247977590020 is an apocalyptic number.
It is an amenable number.
47977590020 is an abundant number, since it is smaller than the sum of its proper divisors (53021385148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47977590020 is a wasteful number, since it uses less digits than its factorization.
47977590020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4340 (or 4338 counting only the distinct ones).
The product of its (nonzero) digits is 1111320, while the sum is 50.
The spelling of 47977590020 in words is "forty-seven billion, nine hundred seventy-seven million, five hundred ninety thousand, twenty".
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