Base | Representation |
---|---|
bin | 111111001100010… |
… | …1110011101111101 |
3 | 12110202221001001221 |
4 | 1332120232131331 |
5 | 13320311123010 |
6 | 550223433341 |
7 | 103355124166 |
oct | 17630563575 |
9 | 5422831057 |
10 | 2120411005 |
11 | 998a0a199 |
12 | 4b2155851 |
13 | 27a3b638b |
14 | 16188076d |
15 | c6249dda |
hex | 7e62e77d |
2120411005 has 16 divisors (see below), whose sum is σ = 2630605824. Its totient is φ = 1639088640.
The previous prime is 2120410973. The next prime is 2120411017. The reversal of 2120411005 is 5001140212.
It is not a de Polignac number, because 2120411005 - 25 = 2120410973 is a prime.
It is a super-2 number, since 2×21204110052 = 8992285660250220050, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2120411005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94152 + ... + 114478.
It is an arithmetic number, because the mean of its divisors is an integer number (164412864).
Almost surely, 22120411005 is an apocalyptic number.
It is an amenable number.
2120411005 is a deficient number, since it is larger than the sum of its proper divisors (510194819).
2120411005 is a wasteful number, since it uses less digits than its factorization.
2120411005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21036.
The product of its (nonzero) digits is 80, while the sum is 16.
The square root of 2120411005 is about 46047.9207456754. The cubic root of 2120411005 is about 1284.7146696492.
Adding to 2120411005 its reverse (5001140212), we get a palindrome (7121551217).
The spelling of 2120411005 in words is "two billion, one hundred twenty million, four hundred eleven thousand, five".
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