Base | Representation |
---|---|
bin | 101011111101010111… |
… | …001110011011110000 |
3 | 11111211110212121100100 |
4 | 223331113032123300 |
5 | 1233131300201130 |
6 | 33403352152400 |
7 | 3260445516666 |
oct | 537527163360 |
9 | 144743777310 |
10 | 47200397040 |
11 | 190214369a5 |
12 | 9193398700 |
13 | 45b2a51424 |
14 | 23da9b0c36 |
15 | 1363bd7c60 |
hex | afd5ce6f0 |
47200397040 has 120 divisors (see below), whose sum is σ = 159104593440. Its totient is φ = 12539930112.
The previous prime is 47200397033. The next prime is 47200397087. The reversal of 47200397040 is 4079300274.
It is a tau number, because it is divible by the number of its divisors (120).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 47200396986 and 47200397004.
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, 71829 + ... + 315531.
It is an arithmetic number, because the mean of its divisors is an integer number (1325871612).
Almost surely, 247200397040 is an apocalyptic number.
47200397040 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 47200397040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79552296720).
47200397040 is an abundant number, since it is smaller than the sum of its proper divisors (111904196400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47200397040 is a wasteful number, since it uses less digits than its factorization.
47200397040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 243991 (or 243982 counting only the distinct ones).
The product of its (nonzero) digits is 42336, while the sum is 36.
The spelling of 47200397040 in words is "forty-seven billion, two hundred million, three hundred ninety-seven thousand, forty".
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