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85182847635691 = 1323463343614863
BaseRepresentation
bin10011010111100100101101…
…010111111101000011101011
3102011121101211010001110002101
4103113210231113331003223
542131113432443320231
6501100243204314231
723641154242130461
oct2327445527750353
9364541733043071
1085182847635691
112516192a861703
12967900b3a2977
13386b928806150
141706c2c3da831
159cac0485c661
hex4d792d5fd0eb

85182847635691 has 16 divisors (see below), whose sum is σ = 95724231192576. Its totient is φ = 75211326644256.

The previous prime is 85182847635679. The next prime is 85182847635701. The reversal of 85182847635691 is 19653674828158.

It is a cyclic number.

It is not a de Polignac number, because 85182847635691 - 211 = 85182847633643 is a prime.

It is a super-2 number, since 2×851828476356912 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85182847635601) 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, 138232126 + ... + 138846988.

It is an arithmetic number, because the mean of its divisors is an integer number (5982764449536).

Almost surely, 285182847635691 is an apocalyptic number.

85182847635691 is a deficient number, since it is larger than the sum of its proper divisors (10541383556885).

85182847635691 is a wasteful number, since it uses less digits than its factorization.

85182847635691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078242.

The product of its digits is 696729600, while the sum is 73.

The spelling of 85182847635691 in words is "eighty-five trillion, one hundred eighty-two billion, eight hundred forty-seven million, six hundred thirty-five thousand, six hundred ninety-one".

Divisors: 1 13 23 299 463343 614863 6023459 7993219 10656889 14141849 138539557 183844037 284892467009 3703602071117 6552526741207 85182847635691