Base | Representation |
---|---|
bin | 1110011111100… |
… | …00011110001110 |
3 | 22110202110100120 |
4 | 13033300132032 |
5 | 222110234324 |
6 | 20021405410 |
7 | 3004224012 |
oct | 717603616 |
9 | 273673316 |
10 | 121571214 |
11 | 62695286 |
12 | 34869866 |
13 | 1c25713b |
14 | 12208542 |
15 | aa16179 |
hex | 73f078e |
121571214 has 8 divisors (see below), whose sum is σ = 243142440. Its totient is φ = 40523736.
The previous prime is 121571183. The next prime is 121571239. The reversal of 121571214 is 412175121.
It is a sphenic number, since it is the product of 3 distinct primes.
121571214 is an admirable number.
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, 10130929 + ... + 10130940.
It is an arithmetic number, because the mean of its divisors is an integer number (30392805).
Almost surely, 2121571214 is an apocalyptic number.
121571214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121571214 is a wasteful number, since it uses less digits than its factorization.
121571214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20261874.
The product of its digits is 560, while the sum is 24.
The square root of 121571214 is about 11025.9337019592. The cubic root of 121571214 is about 495.3858352852.
The spelling of 121571214 in words is "one hundred twenty-one million, five hundred seventy-one thousand, two hundred fourteen".
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