Base | Representation |
---|---|
bin | 11110010110000110… |
… | …01101011011000001 |
3 | 1120001101100212111221 |
4 | 33023003031123001 |
5 | 231331112040040 |
6 | 11252331435041 |
7 | 1114501422310 |
oct | 171303153301 |
9 | 46041325457 |
10 | 16291518145 |
11 | 6a00156791 |
12 | 31a7bb5a81 |
13 | 16c82a4486 |
14 | b07978277 |
15 | 6553cb74a |
hex | 3cb0cd6c1 |
16291518145 has 16 divisors (see below), whose sum is σ = 22862252160. Its totient is φ = 10911527424.
The previous prime is 16291518119. The next prime is 16291518157. The reversal of 16291518145 is 54181519261.
16291518145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a de Polignac number, because none of the positive numbers 2k-16291518145 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (43).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5410960 + ... + 5413969.
It is an arithmetic number, because the mean of its divisors is an integer number (1428890760).
Almost surely, 216291518145 is an apocalyptic number.
It is an amenable number.
16291518145 is a deficient number, since it is larger than the sum of its proper divisors (6570734015).
16291518145 is a wasteful number, since it uses less digits than its factorization.
16291518145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10824984.
The product of its digits is 86400, while the sum is 43.
The spelling of 16291518145 in words is "sixteen billion, two hundred ninety-one million, five hundred eighteen thousand, one hundred forty-five".
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