Base | Representation |
---|---|
bin | 1110100001100… |
… | …11110100000001 |
3 | 22111021110201101 |
4 | 13100303310001 |
5 | 222143101131 |
6 | 20031334401 |
7 | 3006453121 |
oct | 720636401 |
9 | 274243641 |
10 | 121847041 |
11 | 62863538 |
12 | 34981401 |
13 | 1c322854 |
14 | 1227ac81 |
15 | aa6cc61 |
hex | 7433d01 |
121847041 has 12 divisors (see below), whose sum is σ = 130296708. Its totient is φ = 113549312.
The previous prime is 121847029. The next prime is 121847069. The reversal of 121847041 is 140748121.
It can be written as a sum of positive squares in 2 ways, for example, as 110691441 + 11155600 = 10521^2 + 3340^2 .
It is not a de Polignac number, because 121847041 - 225 = 88292609 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121847021) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 473985 + ... + 474241.
It is an arithmetic number, because the mean of its divisors is an integer number (10858059).
Almost surely, 2121847041 is an apocalyptic number.
It is an amenable number.
121847041 is a deficient number, since it is larger than the sum of its proper divisors (8449667).
121847041 is an equidigital number, since it uses as much as digits as its factorization.
121847041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 608 (or 441 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 28.
The square root of 121847041 is about 11038.4347169334. The cubic root of 121847041 is about 495.7602045545.
The spelling of 121847041 in words is "one hundred twenty-one million, eight hundred forty-seven thousand, forty-one".
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