Base | Representation |
---|---|
bin | 1110010110100… |
… | …11000100011101 |
3 | 22101120001202221 |
4 | 13023103010131 |
5 | 221310332310 |
6 | 15540345341 |
7 | 2661254560 |
oct | 713230435 |
9 | 271501687 |
10 | 120402205 |
11 | 61a66a60 |
12 | 343a5251 |
13 | 1bc38011 |
14 | 11dc24d7 |
15 | a884ada |
hex | 72d311d |
120402205 has 32 divisors (see below), whose sum is σ = 180944640. Its totient is φ = 74718720.
The previous prime is 120402173. The next prime is 120402209. The reversal of 120402205 is 502204021.
It is not a de Polignac number, because 120402205 - 25 = 120402173 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120402209) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106081 + ... + 107209.
It is an arithmetic number, because the mean of its divisors is an integer number (5654520).
Almost surely, 2120402205 is an apocalyptic number.
It is an amenable number.
120402205 is a deficient number, since it is larger than the sum of its proper divisors (60542435).
120402205 is a wasteful number, since it uses less digits than its factorization.
120402205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1429.
The product of its (nonzero) digits is 160, while the sum is 16.
The square root of 120402205 is about 10972.7938557142. The cubic root of 120402205 is about 493.7928685740.
Adding to 120402205 its reverse (502204021), we get a palindrome (622606226).
The spelling of 120402205 in words is "one hundred twenty million, four hundred two thousand, two hundred five".
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