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85011061873191 = 3173770963541477
BaseRepresentation
bin10011010101000100101110…
…001001010001101000100111
3102010222222102001211112100020
4103111010232021101220213
542120310123314420231
6500445313115250223
723622563235213606
oct2325045611215047
9363888361745306
1085011061873191
11250a5a97214763
12964b868749973
13385867c90557c
1416dc7b3515a3d
159c64ed36c396
hex4d512e251a27

85011061873191 has 32 divisors (see below), whose sum is σ = 123433133503680. Its totient is φ = 51825444489216.

The previous prime is 85011061873187. The next prime is 85011061873249. The reversal of 85011061873191 is 19137816011058.

It is not a de Polignac number, because 85011061873191 - 22 = 85011061873187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85011061873141) 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, 30432856 + ... + 33108621.

It is an arithmetic number, because the mean of its divisors is an integer number (3857285421990).

Almost surely, 285011061873191 is an apocalyptic number.

85011061873191 is a deficient number, since it is larger than the sum of its proper divisors (38422071630489).

85011061873191 is a wasteful number, since it uses less digits than its factorization.

85011061873191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63542243.

The product of its (nonzero) digits is 362880, while the sum is 51.

The spelling of 85011061873191 in words is "eighty-five trillion, eleven billion, sixty-one million, eight hundred seventy-three thousand, one hundred ninety-one".

Divisors: 1 3 17 37 51 111 629 709 1887 2127 12053 26233 36159 78699 445961 1337883 63541477 190624431 1080205109 2351034649 3240615327 7053103947 39967589033 45050907193 119902767099 135152721579 765865422281 1666883566141 2297596266843 5000650698423 28337020624397 85011061873191