Base | Representation |
---|---|
bin | 101100101100111011… |
… | …111001100011001100 |
3 | 11120220002201110121222 |
4 | 230230323321203030 |
5 | 1241300111234410 |
6 | 34014503142512 |
7 | 3316306600226 |
oct | 545473714314 |
9 | 146802643558 |
10 | 47998539980 |
11 | 193a0a19566 |
12 | 9376744a38 |
13 | 46ac203c61 |
14 | 24749b5416 |
15 | 13adce4955 |
hex | b2cef98cc |
47998539980 has 24 divisors (see below), whose sum is σ = 100887219888. Its totient is φ = 19182218688.
The previous prime is 47998539961. The next prime is 47998539983. The reversal of 47998539980 is 8993589974.
It is not an unprimeable number, because it can be changed into a prime (47998539983) 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, 1051934 + ... + 1096613.
It is an arithmetic number, because the mean of its divisors is an integer number (4203634162).
Almost surely, 247998539980 is an apocalyptic number.
It is an amenable number.
47998539980 is an abundant number, since it is smaller than the sum of its proper divisors (52888679908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47998539980 is a wasteful number, since it uses less digits than its factorization.
47998539980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2149673 (or 2149671 counting only the distinct ones).
The product of its (nonzero) digits is 176359680, while the sum is 71.
The spelling of 47998539980 in words is "forty-seven billion, nine hundred ninety-eight million, five hundred thirty-nine thousand, nine hundred eighty".
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