Base | Representation |
---|---|
bin | 1001001101001000011101… |
… | …0000001100110000110000 |
3 | 1022211120121200012221112022 |
4 | 2103102013100030300300 |
5 | 2311311220300320422 |
6 | 33305342021251012 |
7 | 2063143033354502 |
oct | 223220720146060 |
9 | 38746550187468 |
10 | 10121212120112 |
11 | 32524224229a5 |
12 | 1175685563a68 |
13 | 5855704bb912 |
14 | 26dc2543bd72 |
15 | 12842152a342 |
hex | 9348740cc30 |
10121212120112 has 40 divisors (see below), whose sum is σ = 20296693845120. Its totient is φ = 4884230960640.
The previous prime is 10121212120109. The next prime is 10121212120157. The reversal of 10121212120112 is 21102121212101.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27168437 + ... + 27538452.
It is an arithmetic number, because the mean of its divisors is an integer number (507417346128).
Almost surely, 210121212120112 is an apocalyptic number.
It is an amenable number.
10121212120112 is an abundant number, since it is smaller than the sum of its proper divisors (10175481725008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10121212120112 is a wasteful number, since it uses less digits than its factorization.
10121212120112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54707301 (or 54707295 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 17.
Adding to 10121212120112 its reverse (21102121212101), we get a palindrome (31223333332213).
The spelling of 10121212120112 in words is "ten trillion, one hundred twenty-one billion, two hundred twelve million, one hundred twenty thousand, one hundred twelve".
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