Base | Representation |
---|---|
bin | 10010110001111000… |
… | …001000111010111100 |
3 | 1221001021102002212020 |
4 | 102301320020322330 |
5 | 312244010344040 |
6 | 13132511440140 |
7 | 1312454321064 |
oct | 226170107274 |
9 | 57037362766 |
10 | 20164153020 |
11 | 8608158680 |
12 | 3aa8b26050 |
13 | 1b946c07bb |
14 | d940163a4 |
15 | 7d0393cd0 |
hex | 4b1e08ebc |
20164153020 has 48 divisors (see below), whose sum is σ = 61592323968. Its totient is φ = 4888279360.
The previous prime is 20164152991. The next prime is 20164153027. The reversal of 20164153020 is 2035146102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20164153027) by changing a digit.
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, 15275214 + ... + 15276533.
It is an arithmetic number, because the mean of its divisors is an integer number (1283173416).
Almost surely, 220164153020 is an apocalyptic number.
20164153020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20164153020 is an abundant number, since it is smaller than the sum of its proper divisors (41428170948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20164153020 is a wasteful number, since it uses less digits than its factorization.
20164153020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30551770 (or 30551768 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 24.
Adding to 20164153020 its reverse (2035146102), we get a palindrome (22199299122).
The spelling of 20164153020 in words is "twenty billion, one hundred sixty-four million, one hundred fifty-three thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •