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6552790321689 = 321752098222057
BaseRepresentation
bin101111101011011000010…
…1111010100101000011001
3212012102220020001110112100
41133112300233110220121
51324330103310243224
621534151010034013
71244265152502123
oct137266057245031
925172806043470
106552790321689
1120a702833a987
12899b84278909
13386c053694c1
1418922a168213
15b56be3d7ac9
hex5f5b0bd4a19

6552790321689 has 24 divisors (see below), whose sum is σ = 10023839790120. Its totient is φ = 4110764894208.

The previous prime is 6552790321687. The next prime is 6552790321733. The reversal of 6552790321689 is 9861230972556.

6552790321689 is a `hidden beast` number, since 6 + 5 + 527 + 9 + 0 + 3 + 21 + 6 + 89 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1393155302400 + 5159635019289 = 1180320^2 + 2271483^2 .

It is not a de Polignac number, because 6552790321689 - 21 = 6552790321687 is a prime.

It is a super-2 number, since 2×65527903216892 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6552790321687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3314052 + ... + 4908005.

It is an arithmetic number, because the mean of its divisors is an integer number (417659991255).

Almost surely, 26552790321689 is an apocalyptic number.

It is an amenable number.

6552790321689 is a deficient number, since it is larger than the sum of its proper divisors (3471049468431).

6552790321689 is a wasteful number, since it uses less digits than its factorization.

6552790321689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8227289 (or 8227286 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 63.

The spelling of 6552790321689 in words is "six trillion, five hundred fifty-two billion, seven hundred ninety million, three hundred twenty-one thousand, six hundred eighty-nine".

Divisors: 1 3 9 17 51 153 5209 15627 46881 88553 265659 796977 8222057 24666171 73998513 139774969 419324907 1257974721 42828694913 128486084739 385458254217 728087813521 2184263440563 6552790321689