Base | Representation |
---|---|
bin | 101100101001111010… |
… | …111011001000110001 |
3 | 11120202120112100220121 |
4 | 230221322323020301 |
5 | 1241144133441224 |
6 | 34005455010241 |
7 | 3315123605350 |
oct | 545172731061 |
9 | 146676470817 |
10 | 47947952689 |
11 | 1937540758a |
12 | 9361809981 |
13 | 46a18a1450 |
14 | 246bda7997 |
15 | 13a9650be4 |
hex | b29ebb231 |
47947952689 has 8 divisors (see below), whose sum is σ = 59012864960. Its totient is φ = 37936841616.
The previous prime is 47947952629. The next prime is 47947952693. The reversal of 47947952689 is 98625974974.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 47947952689 - 211 = 47947950641 is a prime.
It is not an unprimeable number, because it can be changed into a prime (47947952629) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263450199 + ... + 263450380.
It is an arithmetic number, because the mean of its divisors is an integer number (7376608120).
Almost surely, 247947952689 is an apocalyptic number.
It is an amenable number.
47947952689 is a deficient number, since it is larger than the sum of its proper divisors (11064912271).
47947952689 is a wasteful number, since it uses less digits than its factorization.
47947952689 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 526900599.
The product of its digits is 274337280, while the sum is 70.
The spelling of 47947952689 in words is "forty-seven billion, nine hundred forty-seven million, nine hundred fifty-two thousand, six hundred eighty-nine".
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