Base | Representation |
---|---|
bin | 101011111000000011… |
… | …000100110100000000 |
3 | 11111121021002101100012 |
4 | 223320003010310000 |
5 | 1232440433304142 |
6 | 33350445044052 |
7 | 3255313556624 |
oct | 537003046400 |
9 | 144537071305 |
10 | 47111228672 |
11 | 18a86073432 |
12 | 9169556628 |
13 | 459a430b91 |
14 | 23ccbdd184 |
15 | 135ae72882 |
hex | af80c4d00 |
47111228672 has 72 divisors (see below), whose sum is σ = 96437718720. Its totient is φ = 22962114560.
The previous prime is 47111228657. The next prime is 47111228701. The reversal of 47111228672 is 27682211174.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1603103 + ... + 1632225.
It is an arithmetic number, because the mean of its divisors is an integer number (1339412760).
Almost surely, 247111228672 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 47111228672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48218859360).
47111228672 is an abundant number, since it is smaller than the sum of its proper divisors (49326490048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47111228672 is an equidigital number, since it uses as much as digits as its factorization.
47111228672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29299 (or 29285 counting only the distinct ones).
The product of its digits is 75264, while the sum is 41.
The spelling of 47111228672 in words is "forty-seven billion, one hundred eleven million, two hundred twenty-eight thousand, six hundred seventy-two".
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