Base | Representation |
---|---|
bin | 1110011110110… |
… | …00000111110000 |
3 | 22110120101112102 |
4 | 13033120013300 |
5 | 222044041342 |
6 | 20015315532 |
7 | 3003330143 |
oct | 717300760 |
9 | 273511472 |
10 | 121471472 |
11 | 62627351 |
12 | 3481bba8 |
13 | 1c220915 |
14 | 121c005a |
15 | a9e6832 |
hex | 73d81f0 |
121471472 has 20 divisors (see below), whose sum is σ = 237998160. Its totient is φ = 60052608.
The previous prime is 121471421. The next prime is 121471507. The reversal of 121471472 is 274174121.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41228 + ... + 44075.
It is an arithmetic number, because the mean of its divisors is an integer number (11899908).
Almost surely, 2121471472 is an apocalyptic number.
It is an amenable number.
121471472 is a deficient number, since it is larger than the sum of its proper divisors (116526688).
121471472 is an equidigital number, since it uses as much as digits as its factorization.
121471472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85400 (or 85394 counting only the distinct ones).
The product of its digits is 3136, while the sum is 29.
The square root of 121471472 is about 11021.4097101959. The cubic root of 121471472 is about 495.2503199457.
The spelling of 121471472 in words is "one hundred twenty-one million, four hundred seventy-one thousand, four hundred seventy-two".
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