Base | Representation |
---|---|
bin | 111111001011100… |
… | …1010011001010011 |
3 | 12110202011012210112 |
4 | 1332113022121103 |
5 | 13320210013412 |
6 | 550210551535 |
7 | 103351466150 |
oct | 17627123123 |
9 | 5422135715 |
10 | 2120001107 |
11 | 99875a234 |
12 | 4b1b985ab |
13 | 27a2a1933 |
14 | 1617b5227 |
15 | c61b8722 |
hex | 7e5ca653 |
2120001107 has 4 divisors (see below), whose sum is σ = 2422858416. Its totient is φ = 1817143800.
The previous prime is 2120001083. The next prime is 2120001109. The reversal of 2120001107 is 7011000212.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2120001107 - 26 = 2120001043 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2120001091 and 2120001100.
It is not an unprimeable number, because it can be changed into a prime (2120001109) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151428644 + ... + 151428657.
It is an arithmetic number, because the mean of its divisors is an integer number (605714604).
Almost surely, 22120001107 is an apocalyptic number.
2120001107 is a deficient number, since it is larger than the sum of its proper divisors (302857309).
2120001107 is an equidigital number, since it uses as much as digits as its factorization.
2120001107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 302857308.
The product of its (nonzero) digits is 28, while the sum is 14.
The square root of 2120001107 is about 46043.4697541356. The cubic root of 2120001107 is about 1284.6318813111.
Adding to 2120001107 its reverse (7011000212), we get a palindrome (9131001319).
The spelling of 2120001107 in words is "two billion, one hundred twenty million, one thousand, one hundred seven".
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