Base | Representation |
---|---|
bin | 1110100010011… |
… | …00001011011100 |
3 | 22111110112121210 |
4 | 13101030023130 |
5 | 222204244334 |
6 | 20033424420 |
7 | 3010350105 |
oct | 721141334 |
9 | 274415553 |
10 | 121946844 |
11 | 62921518 |
12 | 34a0b110 |
13 | 1c3590c6 |
14 | 122a53ac |
15 | aa8c5e9 |
hex | 744c2dc |
121946844 has 24 divisors (see below), whose sum is σ = 285683328. Its totient is φ = 40486000.
The previous prime is 121946809. The next prime is 121946861. The reversal of 121946844 is 448649121.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17232 + ... + 23255.
It is an arithmetic number, because the mean of its divisors is an integer number (11903472).
Almost surely, 2121946844 is an apocalyptic number.
It is an amenable number.
121946844 is an abundant number, since it is smaller than the sum of its proper divisors (163736484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121946844 is a wasteful number, since it uses less digits than its factorization.
121946844 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40745 (or 40743 counting only the distinct ones).
The product of its digits is 55296, while the sum is 39.
The square root of 121946844 is about 11042.9544959671. The cubic root of 121946844 is about 495.8955240842.
The spelling of 121946844 in words is "one hundred twenty-one million, nine hundred forty-six thousand, eight hundred forty-four".
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