Base | Representation |
---|---|
bin | 10011011000011000101011… |
… | …001011100011001001010101 |
3 | 102011210201211202101202222220 |
4 | 103120120223023203021111 |
5 | 42133022221210413440 |
6 | 501142032040212553 |
7 | 23645201044261524 |
oct | 2330305313431125 |
9 | 364721752352886 |
10 | 85238645404245 |
11 | 25183563189013 |
12 | 96879a1a6a159 |
13 | 3873c7b785a48 |
14 | 1709802b364bb |
15 | 9cc3bd1de8d0 |
hex | 4d862b2e3255 |
85238645404245 has 32 divisors (see below), whose sum is σ = 136510784611200. Its totient is φ = 45417646659840.
The previous prime is 85238645404163. The next prime is 85238645404247. The reversal of 85238645404245 is 54240454683258.
It is a happy number.
It is not a de Polignac number, because 85238645404245 - 27 = 85238645404117 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85238645404247) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68628087 + ... + 69859083.
It is an arithmetic number, because the mean of its divisors is an integer number (4265962019100).
Almost surely, 285238645404245 is an apocalyptic number.
It is an amenable number.
85238645404245 is a deficient number, since it is larger than the sum of its proper divisors (51272139206955).
85238645404245 is a wasteful number, since it uses less digits than its factorization.
85238645404245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1235365.
The product of its (nonzero) digits is 147456000, while the sum is 60.
The spelling of 85238645404245 in words is "eighty-five trillion, two hundred thirty-eight billion, six hundred forty-five million, four hundred four thousand, two hundred forty-five".
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