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8020417989518 = 2118914472830843
BaseRepresentation
bin111010010110110011000…
…1010100100101110001110
31001101202002201102201221022
41310231212022210232032
52022401304001131033
625020310144234142
71455312302031404
oct164554612445616
931352081381838
108020417989518
112612492954a40
12a964b190b952
13462425a6b66c
141da29428d474
15dd96974a098
hex74b662a4b8e

8020417989518 has 32 divisors (see below), whose sum is σ = 13280961242880. Its totient is φ = 3602189828160.

The previous prime is 8020417989487. The next prime is 8020417989539. The reversal of 8020417989518 is 8159897140208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1417805 + ... + 4248647.

It is an arithmetic number, because the mean of its divisors is an integer number (415030038840).

Almost surely, 28020417989518 is an apocalyptic number.

8020417989518 is a deficient number, since it is larger than the sum of its proper divisors (5260543253362).

8020417989518 is a wasteful number, since it uses less digits than its factorization.

8020417989518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832392.

The product of its (nonzero) digits is 11612160, while the sum is 62.

The spelling of 8020417989518 in words is "eight trillion, twenty billion, four hundred seventeen million, nine hundred eighty-nine thousand, five hundred eighteen".

Divisors: 1 2 11 22 89 178 979 1447 1958 2894 15917 31834 128783 257566 1416613 2830843 2833226 5661686 31139273 62278546 251945027 503890054 2771395297 4096229821 5542790594 8192459642 45058528031 90117056062 364564454069 729128908138 4010208994759 8020417989518