Base | Representation |
---|---|
bin | 111111001011100… |
… | …1010011010110111 |
3 | 12110202011012221020 |
4 | 1332113022122313 |
5 | 13320210014312 |
6 | 550210552223 |
7 | 103351466352 |
oct | 17627123267 |
9 | 5422135836 |
10 | 2120001207 |
11 | 99875a315 |
12 | 4b1b98673 |
13 | 27a2a19ac |
14 | 1617b5299 |
15 | c61b878c |
hex | 7e5ca6b7 |
2120001207 has 8 divisors (see below), whose sum is σ = 2836316784. Its totient is φ = 1408509888.
The previous prime is 2120001197. The next prime is 2120001229. The reversal of 2120001207 is 7021000212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2120001207 - 211 = 2119999159 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2120001407) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1205038 + ... + 1206795.
It is an arithmetic number, because the mean of its divisors is an integer number (354539598).
Almost surely, 22120001207 is an apocalyptic number.
2120001207 is a deficient number, since it is larger than the sum of its proper divisors (716315577).
2120001207 is a wasteful number, since it uses less digits than its factorization.
2120001207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2412129.
The product of its (nonzero) digits is 56, while the sum is 15.
The square root of 2120001207 is about 46043.4708400659. The cubic root of 2120001207 is about 1284.6319015097.
Adding to 2120001207 its reverse (7021000212), we get a palindrome (9141001419).
The spelling of 2120001207 in words is "two billion, one hundred twenty million, one thousand, two hundred seven".
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