Base | Representation |
---|---|
bin | 101011111010111001… |
… | …100110101100110001 |
3 | 11111201121010100211201 |
4 | 223322321212230301 |
5 | 1233040210441211 |
6 | 33355314411201 |
7 | 3256434355252 |
oct | 537271465461 |
9 | 144647110751 |
10 | 47159077681 |
11 | 19000085071 |
12 | 9181590b01 |
13 | 45a73151c1 |
14 | 23d52d6b29 |
15 | 13602750c1 |
hex | afae66b31 |
47159077681 has 16 divisors (see below), whose sum is σ = 50158954944. Its totient is φ = 44184720384.
The previous prime is 47159077621. The next prime is 47159077739. The reversal of 47159077681 is 18677095174.
It is a cyclic number.
It is not a de Polignac number, because 47159077681 - 211 = 47159075633 is a prime.
It is a super-2 number, since 2×471590776812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47159077621) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3786841 + ... + 3799273.
It is an arithmetic number, because the mean of its divisors is an integer number (3134934684).
Almost surely, 247159077681 is an apocalyptic number.
It is an amenable number.
47159077681 is a deficient number, since it is larger than the sum of its proper divisors (2999877263).
47159077681 is a wasteful number, since it uses less digits than its factorization.
47159077681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13440.
The product of its (nonzero) digits is 2963520, while the sum is 55.
The spelling of 47159077681 in words is "forty-seven billion, one hundred fifty-nine million, seventy-seven thousand, six hundred eighty-one".
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