Base | Representation |
---|---|
bin | 111111001011111… |
… | …1010111101001011 |
3 | 12110202112022122100 |
4 | 1332113322331023 |
5 | 13320232400021 |
6 | 550215124443 |
7 | 103353255066 |
oct | 17627727513 |
9 | 5422468570 |
10 | 2120200011 |
11 | 998885716 |
12 | 4b2073723 |
13 | 27a341327 |
14 | 1618278dd |
15 | c6207626 |
hex | 7e5faf4b |
2120200011 has 48 divisors (see below), whose sum is σ = 3236403456. Its totient is φ = 1335797568.
The previous prime is 2120199989. The next prime is 2120200013. The reversal of 2120200011 is 1100020212.
It is not a de Polignac number, because 2120200011 - 217 = 2120068939 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 2120199966 and 2120200002.
It is not an unprimeable number, because it can be changed into a prime (2120200013) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3765616 + ... + 3766178.
It is an arithmetic number, because the mean of its divisors is an integer number (67425072).
Almost surely, 22120200011 is an apocalyptic number.
2120200011 is a deficient number, since it is larger than the sum of its proper divisors (1116203445).
2120200011 is a wasteful number, since it uses less digits than its factorization.
2120200011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 912 (or 909 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 2120200011 is about 46045.6296623252. The cubic root of 2120200011 is about 1284.6720558858.
Adding to 2120200011 its reverse (1100020212), we get a palindrome (3220220223).
The spelling of 2120200011 in words is "two billion, one hundred twenty million, two hundred thousand, eleven".
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