Base | Representation |
---|---|
bin | 1110011101100… |
… | …10101001110111 |
3 | 22110021121000112 |
4 | 13032302221313 |
5 | 222024134012 |
6 | 20012133235 |
7 | 3002120546 |
oct | 716625167 |
9 | 273247015 |
10 | 121318007 |
11 | 62532018 |
12 | 3476721b |
13 | 1c198b05 |
14 | 1218015d |
15 | a9b6122 |
hex | 73b2a77 |
121318007 has 8 divisors (see below), whose sum is σ = 126483984. Its totient is φ = 116258688.
The previous prime is 121318003. The next prime is 121318013. The reversal of 121318007 is 700813121.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 121318007 - 22 = 121318003 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121318003) 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 7 ways as a sum of consecutive naturals, for example, 24338 + ... + 28895.
It is an arithmetic number, because the mean of its divisors is an integer number (15810498).
Almost surely, 2121318007 is an apocalyptic number.
121318007 is a deficient number, since it is larger than the sum of its proper divisors (5165977).
121318007 is an equidigital number, since it uses as much as digits as its factorization.
121318007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53329.
The product of its (nonzero) digits is 336, while the sum is 23.
The square root of 121318007 is about 11014.4453786834. The cubic root of 121318007 is about 495.0416684305.
The spelling of 121318007 in words is "one hundred twenty-one million, three hundred eighteen thousand, seven".
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