Base | Representation |
---|---|
bin | 11110101100101100… |
… | …10110110111100011 |
3 | 1120112121001222000200 |
4 | 33112112112313203 |
5 | 232223124240242 |
6 | 11323222520243 |
7 | 1122262633113 |
oct | 172626266743 |
9 | 46477058020 |
10 | 16481086947 |
11 | 6a98164616 |
12 | 323b596083 |
13 | 1728648870 |
14 | b24c03043 |
15 | 666d7504c |
hex | 3d6596de3 |
16481086947 has 48 divisors (see below), whose sum is σ = 26547480960. Its totient is φ = 9782809344.
The previous prime is 16481086927. The next prime is 16481086957. The reversal of 16481086947 is 74968018461.
It is not a de Polignac number, because 16481086947 - 231 = 14333603299 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 16481086893 and 16481086902.
It is not an unprimeable number, because it can be changed into a prime (16481086927) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4928358 + ... + 4931700.
It is an arithmetic number, because the mean of its divisors is an integer number (553072520).
Almost surely, 216481086947 is an apocalyptic number.
16481086947 is a deficient number, since it is larger than the sum of its proper divisors (10066394013).
16481086947 is a wasteful number, since it uses less digits than its factorization.
16481086947 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4844 (or 4841 counting only the distinct ones).
The product of its (nonzero) digits is 2322432, while the sum is 54.
The spelling of 16481086947 in words is "sixteen billion, four hundred eighty-one million, eighty-six thousand, nine hundred forty-seven".
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