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20085011513485 = 518122272216611
BaseRepresentation
bin1001001000100011001111…
…11110100000000010001101
32122010002220222121211202021
410210101213332200002031
510113033100421412420
6110414532113530141
74142044210662652
oct444214776400215
978102828554667
1020085011513485
1164440074253a6
122304739873951
13b29015778b39
144d6196813c29
1524c6cd2d27aa
hex124467fa008d

20085011513485 has 8 divisors (see below), whose sum is σ = 24102037989216. Its totient is φ = 16067993095440.

The previous prime is 20085011513401. The next prime is 20085011513491. The reversal of 20085011513485 is 58431511058002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20085011513485 - 235 = 20050651775117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7952830 + ... + 10169440.

It is an arithmetic number, because the mean of its divisors is an integer number (3012754748652).

Almost surely, 220085011513485 is an apocalyptic number.

It is an amenable number.

20085011513485 is a deficient number, since it is larger than the sum of its proper divisors (4017026475731).

20085011513485 is a wasteful number, since it uses less digits than its factorization.

20085011513485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4028843.

The product of its (nonzero) digits is 192000, while the sum is 43.

The spelling of 20085011513485 in words is "twenty trillion, eighty-five billion, eleven million, five hundred thirteen thousand, four hundred eighty-five".

Divisors: 1 5 1812227 2216611 9061135 11083055 4017002302697 20085011513485