Base | Representation |
---|---|
bin | 10110100010011011… |
… | …10110000101000000 |
3 | 1011020021021210110101 |
4 | 23101031312011000 |
5 | 144240100031422 |
6 | 5320401012144 |
7 | 605564215042 |
oct | 132115660500 |
9 | 34207253411 |
10 | 12100002112 |
11 | 514a154750 |
12 | 2418324054 |
13 | 11aaaa9283 |
14 | 82b00da92 |
15 | 4ac425c27 |
hex | 2d1376140 |
12100002112 has 28 divisors (see below), whose sum is σ = 26193756096. Its totient is φ = 5500000640.
The previous prime is 12100002011. The next prime is 12100002121. The reversal of 12100002112 is 21120000121.
It is a super-2 number, since 2×121000021122 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8593048 + ... + 8594455.
Almost surely, 212100002112 is an apocalyptic number.
It is an amenable number.
12100002112 is an abundant number, since it is smaller than the sum of its proper divisors (14093753984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12100002112 is a wasteful number, since it uses less digits than its factorization.
12100002112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17187526 (or 17187516 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 12100002112 its reverse (21120000121), we get a palindrome (33220002233).
The spelling of 12100002112 in words is "twelve billion, one hundred million, two thousand, one hundred twelve".
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