Base | Representation |
---|---|
bin | 1110011110110… |
… | …00111010111000 |
3 | 22110120120000121 |
4 | 13033120322320 |
5 | 222044142434 |
6 | 20015343024 |
7 | 3003342526 |
oct | 717307270 |
9 | 273516017 |
10 | 121474744 |
11 | 62629856 |
12 | 34821a74 |
13 | 1c222261 |
14 | 121c1316 |
15 | a9e77b4 |
hex | 73d8eb8 |
121474744 has 8 divisors (see below), whose sum is σ = 227765160. Its totient is φ = 60737368.
The previous prime is 121474739. The next prime is 121474747. The reversal of 121474744 is 447474121.
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-2 number, since 2×1214747442 = 29512226859731072, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121474747) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7592164 + ... + 7592179.
It is an arithmetic number, because the mean of its divisors is an integer number (28470645).
Almost surely, 2121474744 is an apocalyptic number.
It is an amenable number.
121474744 is a deficient number, since it is larger than the sum of its proper divisors (106290416).
121474744 is a wasteful number, since it uses less digits than its factorization.
121474744 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15184349 (or 15184345 counting only the distinct ones).
The product of its digits is 25088, while the sum is 34.
The square root of 121474744 is about 11021.5581475579. The cubic root of 121474744 is about 495.2547666537.
The spelling of 121474744 in words is "one hundred twenty-one million, four hundred seventy-four thousand, seven hundred forty-four".
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