Base | Representation |
---|---|
bin | 101100001001001100… |
… | …100010000111110000 |
3 | 11112100022102122121001 |
4 | 230021030202013300 |
5 | 1234033110430223 |
6 | 33435203211344 |
7 | 3265406115100 |
oct | 541114420760 |
9 | 145308378531 |
10 | 47398920688 |
11 | 19113500729 |
12 | 9229976b54 |
13 | 4614c0c742 |
14 | 24190cb200 |
15 | 137634e9ad |
hex | b093221f0 |
47398920688 has 120 divisors (see below), whose sum is σ = 108155553792. Its totient is φ = 20062691712.
The previous prime is 47398920677. The next prime is 47398920691. The reversal of 47398920688 is 88602989374.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49015981 + ... + 49016947.
Almost surely, 247398920688 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47398920688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54077776896).
47398920688 is an abundant number, since it is smaller than the sum of its proper divisors (60756633104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47398920688 is a wasteful number, since it uses less digits than its factorization.
47398920688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1699 (or 1686 counting only the distinct ones).
The product of its (nonzero) digits is 41803776, while the sum is 64.
The spelling of 47398920688 in words is "forty-seven billion, three hundred ninety-eight million, nine hundred twenty thousand, six hundred eighty-eight".
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