Base | Representation |
---|---|
bin | 100111111011011001… |
… | …110011110100000101 |
3 | 11002122212021100000120 |
4 | 213323121303310011 |
5 | 1200300333141314 |
6 | 31410111332153 |
7 | 3045264454020 |
oct | 477331636405 |
9 | 132585240016 |
10 | 42872552709 |
11 | 17200490448 |
12 | 8385b21059 |
13 | 40732331ac |
14 | 2109cba1b7 |
15 | 11adca38a9 |
hex | 9fb673d05 |
42872552709 has 16 divisors (see below), whose sum is σ = 65799605760. Its totient is φ = 24322350960.
The previous prime is 42872552693. The next prime is 42872552719. The reversal of 42872552709 is 90725527824.
It is not a de Polignac number, because 42872552709 - 24 = 42872552693 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42872552719) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7340787 + ... + 7346624.
It is an arithmetic number, because the mean of its divisors is an integer number (4112475360).
Almost surely, 242872552709 is an apocalyptic number.
It is an amenable number.
42872552709 is a deficient number, since it is larger than the sum of its proper divisors (22927053051).
42872552709 is a wasteful number, since it uses less digits than its factorization.
42872552709 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14687560.
The product of its (nonzero) digits is 2822400, while the sum is 51.
The spelling of 42872552709 in words is "forty-two billion, eight hundred seventy-two million, five hundred fifty-two thousand, seven hundred nine".
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