Base | Representation |
---|---|
bin | 101100001110100000… |
… | …010011010010110000 |
3 | 11112120112000210020011 |
4 | 230032200103102300 |
5 | 1234223411121122 |
6 | 33452104224304 |
7 | 3300540150160 |
oct | 541640232260 |
9 | 145515023204 |
10 | 47487988912 |
11 | 19159805a31 |
12 | 925376b094 |
13 | 462a4c6530 |
14 | 2426c745a0 |
15 | 137e095377 |
hex | b0e8134b0 |
47487988912 has 320 divisors, whose sum is σ = 120042316800. Its totient is φ = 17703567360.
The previous prime is 47487988909. The next prime is 47487988931. The reversal of 47487988912 is 21988978474.
It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 341640139 + ... + 341640277.
It is an arithmetic number, because the mean of its divisors is an integer number (375132240).
Almost surely, 247487988912 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 47487988912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60021158400).
47487988912 is an abundant number, since it is smaller than the sum of its proper divisors (72554327888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47487988912 is a wasteful number, since it uses less digits than its factorization.
47487988912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 364 (or 358 counting only the distinct ones).
The product of its digits is 65028096, while the sum is 67.
The spelling of 47487988912 in words is "forty-seven billion, four hundred eighty-seven million, nine hundred eighty-eight thousand, nine hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.088 sec. • engine limits •