Base | Representation |
---|---|
bin | 10110101110011000… |
… | …10010001010001110 |
3 | 1011111020221020010121 |
4 | 23113030102022032 |
5 | 144441231144032 |
6 | 5334341455154 |
7 | 611222315614 |
oct | 132714221216 |
9 | 34436836117 |
10 | 12200256142 |
11 | 51a07aa018 |
12 | 2445a114ba |
13 | 11c57ab599 |
14 | 83a4696b4 |
15 | 4b612aa97 |
hex | 2d731228e |
12200256142 has 32 divisors (see below), whose sum is σ = 19565800128. Its totient is φ = 5685582336.
The previous prime is 12200256113. The next prime is 12200256151. The reversal of 12200256142 is 24165200221.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1568928 + ... + 1576684.
It is an arithmetic number, because the mean of its divisors is an integer number (611431254).
Almost surely, 212200256142 is an apocalyptic number.
12200256142 is a deficient number, since it is larger than the sum of its proper divisors (7365543986).
12200256142 is a wasteful number, since it uses less digits than its factorization.
12200256142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8220.
The product of its (nonzero) digits is 1920, while the sum is 25.
Adding to 12200256142 its reverse (24165200221), we get a palindrome (36365456363).
The spelling of 12200256142 in words is "twelve billion, two hundred million, two hundred fifty-six thousand, one hundred forty-two".
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