Base | Representation |
---|---|
bin | 101100000110100000… |
… | …001001101110000100 |
3 | 11112020011101211022220 |
4 | 230012200021232010 |
5 | 1233440023410342 |
6 | 33430510452340 |
7 | 3264320036421 |
oct | 540640115604 |
9 | 145204354286 |
10 | 47353731972 |
11 | 1909aa46788 |
12 | 92168040b0 |
13 | 460874a261 |
14 | 24130c6d48 |
15 | 13723c55ec |
hex | b06809b84 |
47353731972 has 24 divisors (see below), whose sum is σ = 111505732800. Its totient is φ = 15639764256.
The previous prime is 47353731967. The next prime is 47353731979. The reversal of 47353731972 is 27913735374.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (47353731979) by changing a digit.
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, 18100272 + ... + 18102887.
It is an arithmetic number, because the mean of its divisors is an integer number (4646072200).
Almost surely, 247353731972 is an apocalyptic number.
It is an amenable number.
47353731972 is an abundant number, since it is smaller than the sum of its proper divisors (64152000828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47353731972 is a wasteful number, since it uses less digits than its factorization.
47353731972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36203275 (or 36203273 counting only the distinct ones).
The product of its digits is 3333960, while the sum is 51.
The spelling of 47353731972 in words is "forty-seven billion, three hundred fifty-three million, seven hundred thirty-one thousand, nine hundred seventy-two".
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