Base | Representation |
---|---|
bin | 1110011101100… |
… | …00111010000000 |
3 | 22110021020012101 |
4 | 13032300322000 |
5 | 222023421343 |
6 | 20012040144 |
7 | 3002060641 |
oct | 716607200 |
9 | 273236171 |
10 | 121310848 |
11 | 625276aa |
12 | 34763054 |
13 | 1c195789 |
14 | 1217b6c8 |
15 | a9b3e4d |
hex | 73b0e80 |
121310848 has 16 divisors (see below), whose sum is σ = 241674210. Its totient is φ = 60655360.
The previous prime is 121310831. The next prime is 121310851. The reversal of 121310848 is 848013121.
It can be written as a sum of positive squares in only one way, i.e., 69355584 + 51955264 = 8328^2 + 7208^2 .
It is a tau number, because it is divible by the number of its divisors (16).
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473743 + ... + 473998.
Almost surely, 2121310848 is an apocalyptic number.
It is an amenable number.
121310848 is a deficient number, since it is larger than the sum of its proper divisors (120363362).
121310848 is an frugal number, since it uses more digits than its factorization.
121310848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 947755 (or 947743 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 28.
The square root of 121310848 is about 11014.1203915701. The cubic root of 121310848 is about 495.0319307362.
Adding to 121310848 its reverse (848013121), we get a palindrome (969323969).
The spelling of 121310848 in words is "one hundred twenty-one million, three hundred ten thousand, eight hundred forty-eight".
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