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85838775383215 = 529652190782327
BaseRepresentation
bin10011100001000111100101…
…101101101111010010101111
3102020221002212211211110010001
4103201013211231233102233
542222340302444230330
6502321442232325131
724036434606032141
oct2341074555572257
9366832784743101
1085838775383215
1125395024989748
1297641682437a7
1338b873c32228a
14172a894372c91
159dcce46849ca
hex4e11e5b6f4af

85838775383215 has 16 divisors (see below), whose sum is σ = 106574821778880. Its totient is φ = 66292885738240.

The previous prime is 85838775383177. The next prime is 85838775383219. The reversal of 85838775383215 is 51238357783858.

It is not a de Polignac number, because 85838775383215 - 241 = 83639752127663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85838775383219) 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, 44445619 + ... + 46336708.

It is an arithmetic number, because the mean of its divisors is an integer number (6660926361180).

Almost surely, 285838775383215 is an apocalyptic number.

85838775383215 is a deficient number, since it is larger than the sum of its proper divisors (20736046395665).

85838775383215 is a wasteful number, since it uses less digits than its factorization.

85838775383215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90788882.

The product of its digits is 1354752000, while the sum is 73.

The spelling of 85838775383215 in words is "eighty-five trillion, eight hundred thirty-eight billion, seven hundred seventy-five million, three hundred eighty-three thousand, two hundred fifteen".

Divisors: 1 5 29 145 6521 32605 189109 945545 90782327 453911635 2632687483 13163437415 591991554367 2959957771835 17167755076643 85838775383215