Base | Representation |
---|---|
bin | 101110001111… |
… | …000010001010 |
3 | 211210202210101 |
4 | 232033002022 |
5 | 11100321302 |
6 | 1111440014 |
7 | 205006603 |
oct | 56170212 |
9 | 24722711 |
10 | 12120202 |
11 | 69290a6 |
12 | 408600a |
13 | 2684923 |
14 | 1876daa |
15 | 10e6287 |
hex | b8f08a |
12120202 has 16 divisors (see below), whose sum is σ = 19002600. Its totient is φ = 5790400.
The previous prime is 12120181. The next prime is 12120223. The reversal of 12120202 is 20202121.
It is an interprime number because it is at equal distance from previous prime (12120181) and next prime (12120223).
It can be written as a sum of positive squares in 4 ways, for example, as 11215801 + 904401 = 3349^2 + 951^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4824 + ... + 6892.
Almost surely, 212120202 is an apocalyptic number.
12120202 is a deficient number, since it is larger than the sum of its proper divisors (6882398).
12120202 is a wasteful number, since it uses less digits than its factorization.
With its predecessor (12120201) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (2201).
12120202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2201.
The product of its (nonzero) digits is 16, while the sum is 10.
The square root of 12120202 is about 3481.4080484769. The cubic root of 12120202 is about 229.7047376916.
Adding to 12120202 its reverse (20202121), we get a palindrome (32322323).
It can be divided in two parts, 121 and 20202, that multiplied together give a palindrome (2444442).
The spelling of 12120202 in words is "twelve million, one hundred twenty thousand, two hundred two".
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