Base | Representation |
---|---|
bin | 101011111111101001… |
… | …000001101110010000 |
3 | 11111221010210102122110 |
4 | 223333221001232100 |
5 | 1233221041234000 |
6 | 33411235305320 |
7 | 3261421425240 |
oct | 537751015620 |
9 | 144833712573 |
10 | 47238618000 |
11 | 19040a71972 |
12 | 91a414b240 |
13 | 45ba944292 |
14 | 2401abdb20 |
15 | 1367237850 |
hex | affa41b90 |
47238618000 has 320 divisors, whose sum is σ = 176662407168. Its totient is φ = 10635609600.
The previous prime is 47238617981. The next prime is 47238618001. The reversal of 47238618000 is 81683274.
It is a self number, because there is not a number n which added to its sum of digits gives 47238618000.
It is not an unprimeable number, because it can be changed into a prime (47238618001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2805607 + ... + 2822393.
Almost surely, 247238618000 is an apocalyptic number.
47238618000 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 47238618000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88331203584).
47238618000 is an abundant number, since it is smaller than the sum of its proper divisors (129423789168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47238618000 is a wasteful number, since it uses less digits than its factorization.
47238618000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16887 (or 16871 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 39.
The spelling of 47238618000 in words is "forty-seven billion, two hundred thirty-eight million, six hundred eighteen thousand".
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