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85238645404245 = 35181125491230997
BaseRepresentation
bin10011011000011000101011…
…001011100011001001010101
3102011210201211202101202222220
4103120120223023203021111
542133022221210413440
6501142032040212553
723645201044261524
oct2330305313431125
9364721752352886
1085238645404245
1125183563189013
1296879a1a6a159
133873c7b785a48
141709802b364bb
159cc3bd1de8d0
hex4d862b2e3255

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".

Divisors: 1 3 5 15 1811 2549 5433 7647 9055 12745 27165 38235 1230997 3692991 4616239 6154985 13848717 18464955 23081195 69243585 2229335567 3137811353 6688006701 9413434059 11146677835 15689056765 33440033505 47067170295 5682576360283 17047729080849 28412881801415 85238645404245