Base | Representation |
---|---|
bin | 111100001110000… |
… | …0000001000101001 |
3 | 12012211010110000222 |
4 | 1320130000020221 |
5 | 13114233402010 |
6 | 532300335425 |
7 | 101033605031 |
oct | 17034001051 |
9 | 5184113028 |
10 | 2020606505 |
11 | 947641635 |
12 | 484844575 |
13 | 262810868 |
14 | 1525008c1 |
15 | bc5d3355 |
hex | 78700229 |
2020606505 has 32 divisors (see below), whose sum is σ = 2541846528. Its totient is φ = 1540224000.
The previous prime is 2020606481. The next prime is 2020606529. The reversal of 2020606505 is 5056060202.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2020606481) and next prime (2020606529).
It is not a de Polignac number, because 2020606505 - 210 = 2020605481 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5275544 + ... + 5275926.
It is an arithmetic number, because the mean of its divisors is an integer number (79432704).
Almost surely, 22020606505 is an apocalyptic number.
It is an amenable number.
2020606505 is a deficient number, since it is larger than the sum of its proper divisors (521240023).
2020606505 is a wasteful number, since it uses less digits than its factorization.
2020606505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 857.
The product of its (nonzero) digits is 3600, while the sum is 26.
The square root of 2020606505 is about 44951.1568816643. The cubic root of 2020606505 is about 1264.2333682320.
Adding to 2020606505 its reverse (5056060202), we get a palindrome (7076666707).
The spelling of 2020606505 in words is "two billion, twenty million, six hundred six thousand, five hundred five".
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