Base | Representation |
---|---|
bin | 1000011101001111… |
… | …0100101000000001 |
3 | 12212012122001211011 |
4 | 2013103310220001 |
5 | 14122122323244 |
6 | 1013132320521 |
7 | 110153463652 |
oct | 20723645001 |
9 | 5765561734 |
10 | 2270120449 |
11 | a65473103 |
12 | 534313141 |
13 | 2a2412c4c |
14 | 1776d1529 |
15 | d446d434 |
hex | 874f4a01 |
2270120449 has 8 divisors (see below), whose sum is σ = 2404073088. Its totient is φ = 2136214080.
The previous prime is 2270120443. The next prime is 2270120471. The reversal of 2270120449 is 9440210722.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2270120449 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2270120449.
It is not an unprimeable number, because it can be changed into a prime (2270120443) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185964 + ... + 197794.
It is an arithmetic number, because the mean of its divisors is an integer number (300509136).
Almost surely, 22270120449 is an apocalyptic number.
It is an amenable number.
2270120449 is a deficient number, since it is larger than the sum of its proper divisors (133952639).
2270120449 is a wasteful number, since it uses less digits than its factorization.
2270120449 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23135.
The product of its (nonzero) digits is 8064, while the sum is 31.
The square root of 2270120449 is about 47645.7810199392. The cubic root of 2270120449 is about 1314.2650741690.
The spelling of 2270120449 in words is "two billion, two hundred seventy million, one hundred twenty thousand, four hundred forty-nine".
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