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84210552761108 = 221710486331180957
BaseRepresentation
bin10011001001011011001100…
…000101010110101100010100
3102001011110011012201012212112
4103021123030011112230110
542014201203001323413
6455033443251010152
723511004000064024
oct2311331405265424
9361143135635775
1084210552761108
112491754973a584
12954069b899958
1337cb037333457
1416b1b53705a84
159b079a5122a8
hex4c96cc156b14

84210552761108 has 24 divisors (see below), whose sum is σ = 156037481632872. Its totient is φ = 39628424070144.

The previous prime is 84210552761107. The next prime is 84210552761147. The reversal of 84210552761108 is 80116725501248.

It can be written as a sum of positive squares in 4 ways, for example, as 8110716676624 + 76099836084484 = 2847932^2 + 8723522^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84210552761107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70716566 + ... + 71897522.

It is an arithmetic number, because the mean of its divisors is an integer number (6501561734703).

Almost surely, 284210552761108 is an apocalyptic number.

It is an amenable number.

84210552761108 is a deficient number, since it is larger than the sum of its proper divisors (71826928871764).

84210552761108 is a wasteful number, since it uses less digits than its factorization.

84210552761108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229611 (or 2229609 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 50.

The spelling of 84210552761108 in words is "eighty-four trillion, two hundred ten billion, five hundred fifty-two million, seven hundred sixty-one thousand, one hundred eight".

Divisors: 1 2 4 17 34 68 1048633 1180957 2097266 2361914 4194532 4723828 17826761 20076269 35653522 40152538 71307044 80305076 1238390481781 2476780963562 4953561927124 21052638190277 42105276380554 84210552761108