Base | Representation |
---|---|
bin | 1110011110101… |
… | …11110010111000 |
3 | 22110120022200221 |
4 | 13033113302320 |
5 | 222044021021 |
6 | 20015305424 |
7 | 3003323224 |
oct | 717276270 |
9 | 273508627 |
10 | 121470136 |
11 | 62626347 |
12 | 3481b274 |
13 | 1c220128 |
14 | 121bd784 |
15 | a9e6241 |
hex | 73d7cb8 |
121470136 has 16 divisors (see below), whose sum is σ = 227908800. Its totient is φ = 60694464.
The previous prime is 121470133. The next prime is 121470161. The reversal of 121470136 is 631074121.
It is a self number, because there is not a number n which added to its sum of digits gives 121470136.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121470131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10420 + ... + 18748.
It is an arithmetic number, because the mean of its divisors is an integer number (14244300).
Almost surely, 2121470136 is an apocalyptic number.
It is an amenable number.
121470136 is a deficient number, since it is larger than the sum of its proper divisors (106438664).
121470136 is a wasteful number, since it uses less digits than its factorization.
121470136 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10158 (or 10154 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 25.
The square root of 121470136 is about 11021.3491007227. The cubic root of 121470136 is about 495.2485042743.
The spelling of 121470136 in words is "one hundred twenty-one million, four hundred seventy thousand, one hundred thirty-six".
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