Base | Representation |
---|---|
bin | 1001011000100100011… |
… | …0101010110011000000 |
3 | 120102010021121120211120 |
4 | 2112021012222303000 |
5 | 10120131242013304 |
6 | 202021035512240 |
7 | 14435014350336 |
oct | 2261106526300 |
9 | 512107546746 |
10 | 161214016704 |
11 | 62409122954 |
12 | 272b22b8680 |
13 | 1228292acc0 |
14 | 7b34c51b56 |
15 | 42d83460d9 |
hex | 25891aacc0 |
161214016704 has 56 divisors (see below), whose sum is σ = 459356612400. Its totient is φ = 49604312064.
The previous prime is 161214016703. The next prime is 161214016709. The reversal of 161214016704 is 407610412161.
It is not an unprimeable number, because it can be changed into a prime (161214016703) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32291979 + ... + 32296970.
It is an arithmetic number, because the mean of its divisors is an integer number (8202796650).
Almost surely, 2161214016704 is an apocalyptic number.
It is an amenable number.
161214016704 is an abundant number, since it is smaller than the sum of its proper divisors (298142595696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161214016704 is a wasteful number, since it uses less digits than its factorization.
161214016704 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64588977 (or 64588967 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 33.
Adding to 161214016704 its reverse (407610412161), we get a palindrome (568824428865).
The spelling of 161214016704 in words is "one hundred sixty-one billion, two hundred fourteen million, sixteen thousand, seven hundred four".
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