Base | Representation |
---|---|
bin | 1110011101000… |
… | …00110011010110 |
3 | 22110010212201100 |
4 | 13032200303112 |
5 | 222014314021 |
6 | 20010410530 |
7 | 3001364430 |
oct | 716406326 |
9 | 273125640 |
10 | 121244886 |
11 | 62492094 |
12 | 34730a46 |
13 | 1c171749 |
14 | 12161650 |
15 | a99e626 |
hex | 73a0cd6 |
121244886 has 48 divisors (see below), whose sum is σ = 300837888. Its totient is φ = 34570800.
The previous prime is 121244861. The next prime is 121244899. The reversal of 121244886 is 688442121.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 121244886.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121851 + ... + 122841.
It is an arithmetic number, because the mean of its divisors is an integer number (6267456).
Almost surely, 2121244886 is an apocalyptic number.
121244886 is an abundant number, since it is smaller than the sum of its proper divisors (179593002).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121244886 is a wasteful number, since it uses less digits than its factorization.
121244886 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1977 (or 1974 counting only the distinct ones).
The product of its digits is 24576, while the sum is 36.
The square root of 121244886 is about 11011.1255555461. The cubic root of 121244886 is about 494.9421909839.
The spelling of 121244886 in words is "one hundred twenty-one million, two hundred forty-four thousand, eight hundred eighty-six".
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