Base | Representation |
---|---|
bin | 1110100001111… |
… | …00010110011101 |
3 | 22111100020200122 |
4 | 13100330112131 |
5 | 222200211023 |
6 | 20032204325 |
7 | 3006660101 |
oct | 720742635 |
9 | 274306618 |
10 | 121882013 |
11 | 62887840 |
12 | 349996a5 |
13 | 1c335746 |
14 | 12289901 |
15 | aa782c8 |
hex | 743c59d |
121882013 has 8 divisors (see below), whose sum is σ = 133116480. Its totient is φ = 110673280.
The previous prime is 121882003. The next prime is 121882021. The reversal of 121882013 is 310288121.
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 121882013 - 24 = 121881997 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121882003) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4256 + ... + 16182.
It is an arithmetic number, because the mean of its divisors is an integer number (16639560).
Almost surely, 2121882013 is an apocalyptic number.
It is an amenable number.
121882013 is a deficient number, since it is larger than the sum of its proper divisors (11234467).
121882013 is a wasteful number, since it uses less digits than its factorization.
121882013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12867.
The product of its (nonzero) digits is 768, while the sum is 26.
The square root of 121882013 is about 11040.0187046943. The cubic root of 121882013 is about 495.8076303195.
The spelling of 121882013 in words is "one hundred twenty-one million, eight hundred eighty-two thousand, thirteen".
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