Base | Representation |
---|---|
bin | 1000010111111011… |
… | …01010100110111100 |
3 | 102121022102022022000 |
4 | 10023331222212330 |
5 | 33201343310410 |
6 | 2022034022300 |
7 | 216256444356 |
oct | 41375524674 |
9 | 12538368260 |
10 | 4495681980 |
11 | 19a7771459 |
12 | a55717990 |
13 | 56852426a |
14 | 3091040d6 |
15 | 1b4a38dc0 |
hex | 10bf6a9bc |
4495681980 has 96 divisors (see below), whose sum is σ = 14327772480. Its totient is φ = 1169602560.
The previous prime is 4495681963. The next prime is 4495681987. The reversal of 4495681980 is 891865944.
4495681980 is a `hidden beast` number, since 4 + 495 + 68 + 1 + 98 + 0 = 666.
It is a super-2 number, since 2×44956819802 = 40422312930593440800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4495681987) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79389 + ... + 123668.
It is an arithmetic number, because the mean of its divisors is an integer number (149247630).
Almost surely, 24495681980 is an apocalyptic number.
It is an amenable number.
4495681980 is an abundant number, since it is smaller than the sum of its proper divisors (9832090500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4495681980 is a wasteful number, since it uses less digits than its factorization.
4495681980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 203116 (or 203108 counting only the distinct ones).
The product of its (nonzero) digits is 2488320, while the sum is 54.
The square root of 4495681980 is about 67049.8469796912. The cubic root of 4495681980 is about 1650.4353892350.
The spelling of 4495681980 in words is "four billion, four hundred ninety-five million, six hundred eighty-one thousand, nine hundred eighty".
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