Base | Representation |
---|---|
bin | 111000110000101101… |
… | …0011100001010001111 |
3 | 102122121221221120022200 |
4 | 1301201122130022033 |
5 | 3444114202432302 |
6 | 131555210412543 |
7 | 11543426564361 |
oct | 1614132341217 |
9 | 378557846280 |
10 | 121893405327 |
11 | 47770716611 |
12 | 1b759a31153 |
13 | b65754c355 |
14 | 5c849b4d31 |
15 | 328630e81c |
hex | 1c6169c28f |
121893405327 has 12 divisors (see below), whose sum is σ = 176257788720. Its totient is φ = 81174791808.
The previous prime is 121893405313. The next prime is 121893405331. The reversal of 121893405327 is 723504398121.
It is a happy number.
121893405327 is a `hidden beast` number, since 1 + 2 + 1 + 89 + 34 + 0 + 532 + 7 = 666.
It is not a de Polignac number, because 121893405327 - 214 = 121893388943 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121893405427) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7281043 + ... + 7297764.
It is an arithmetic number, because the mean of its divisors is an integer number (14688149060).
Almost surely, 2121893405327 is an apocalyptic number.
121893405327 is a deficient number, since it is larger than the sum of its proper divisors (54364383393).
121893405327 is a wasteful number, since it uses less digits than its factorization.
121893405327 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14579742 (or 14579739 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The spelling of 121893405327 in words is "one hundred twenty-one billion, eight hundred ninety-three million, four hundred five thousand, three hundred twenty-seven".
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