Base | Representation |
---|---|
bin | 1110010101000… |
… | …10001110010010 |
3 | 22101011220022202 |
4 | 13022202032102 |
5 | 221232432010 |
6 | 15532203202 |
7 | 2656462346 |
oct | 712421622 |
9 | 271156282 |
10 | 120202130 |
11 | 6193a704 |
12 | 34309502 |
13 | 1bb97c29 |
14 | 11d6d626 |
15 | a8456a5 |
hex | 72a2392 |
120202130 has 16 divisors (see below), whose sum is σ = 217617624. Its totient is φ = 47802240.
The previous prime is 120202127. The next prime is 120202139. The reversal of 120202130 is 31202021.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 112423609 + 7778521 = 10603^2 + 2789^2 .
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (120202139) 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, 33011 + ... + 36470.
Almost surely, 2120202130 is an apocalyptic number.
120202130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
120202130 is a deficient number, since it is larger than the sum of its proper divisors (97415494).
120202130 is a wasteful number, since it uses less digits than its factorization.
120202130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69661.
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 120202130 is about 10963.6731983401. The cubic root of 120202130 is about 493.5192014310.
Adding to 120202130 its reverse (31202021), we get a palindrome (151404151).
The spelling of 120202130 in words is "one hundred twenty million, two hundred two thousand, one hundred thirty".
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