Base | Representation |
---|---|
bin | 1110100001110… |
… | …10010101010100 |
3 | 22111022211100112 |
4 | 13100322111110 |
5 | 222144424443 |
6 | 20032102152 |
7 | 3006624023 |
oct | 720722524 |
9 | 274284315 |
10 | 121873748 |
11 | 62881607 |
12 | 34994958 |
13 | 1c331a59 |
14 | 122868ba |
15 | aa75b18 |
hex | 743a554 |
121873748 has 24 divisors (see below), whose sum is σ = 226800000. Its totient is φ = 57104768.
The previous prime is 121873729. The next prime is 121873753. The reversal of 121873748 is 847378121.
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, 12503 + ... + 20001.
It is an arithmetic number, because the mean of its divisors is an integer number (9450000).
Almost surely, 2121873748 is an apocalyptic number.
It is an amenable number.
121873748 is a deficient number, since it is larger than the sum of its proper divisors (104926252).
121873748 is a wasteful number, since it uses less digits than its factorization.
121873748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7759 (or 7757 counting only the distinct ones).
The product of its digits is 75264, while the sum is 41.
The square root of 121873748 is about 11039.6443783303. The cubic root of 121873748 is about 495.7964229160.
The spelling of 121873748 in words is "one hundred twenty-one million, eight hundred seventy-three thousand, seven hundred forty-eight".
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