Base | Representation |
---|---|
bin | 1110011011111… |
… | …11001101101100 |
3 | 22102212212222212 |
4 | 13031333031230 |
5 | 222000413213 |
6 | 20003425552 |
7 | 3000252350 |
oct | 715771554 |
9 | 272785885 |
10 | 121107308 |
11 | 623a8793 |
12 | 346852b8 |
13 | 1c123c3a |
14 | 12127460 |
15 | a9739a8 |
hex | 737f36c |
121107308 has 24 divisors (see below), whose sum is σ = 244484352. Its totient is φ = 51416784.
The previous prime is 121107293. The next prime is 121107323. The reversal of 121107308 is 803701121.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (121107293) and next prime (121107323).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17216 + ... + 23207.
It is an arithmetic number, because the mean of its divisors is an integer number (10186848).
Almost surely, 2121107308 is an apocalyptic number.
It is an amenable number.
121107308 is an abundant number, since it is smaller than the sum of its proper divisors (123377044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121107308 is a wasteful number, since it uses less digits than its factorization.
121107308 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40541 (or 40539 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 23.
The square root of 121107308 is about 11004.8765554185. The cubic root of 121107308 is about 494.7549145535.
Adding to 121107308 its reverse (803701121), we get a palindrome (924808429).
The spelling of 121107308 in words is "one hundred twenty-one million, one hundred seven thousand, three hundred eight".
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