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55122656141660 = 2259851279782033
BaseRepresentation
bin11001000100010001111100…
…10101101010000101011100
321020011200012200102222102112
430202020332111222011130
524211112144433013120
6313122555412413152
714416323543244022
oct1442107625520534
9236150180388375
1055122656141660
1116622429390268
1262231820171b8
13249b076070253
14d87d44d90712
15658d00606bc5
hex32223e56a15c

55122656141660 has 24 divisors (see below), whose sum is σ = 115769329156656. Its totient is φ = 22046824121600.

The previous prime is 55122656141537. The next prime is 55122656141681. The reversal of 55122656141660 is 6614165622155.

It is a super-2 number, since 2×551226561416602 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55122656141599 and 55122656141608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139693997 + ... + 140088036.

It is an arithmetic number, because the mean of its divisors is an integer number (4823722048194).

Almost surely, 255122656141660 is an apocalyptic number.

It is an amenable number.

55122656141660 is an abundant number, since it is smaller than the sum of its proper divisors (60646673014996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55122656141660 is a wasteful number, since it uses less digits than its factorization.

55122656141660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279791893 (or 279791891 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 50.

The spelling of 55122656141660 in words is "fifty-five trillion, one hundred twenty-two billion, six hundred fifty-six million, one hundred forty-one thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 9851 19702 39404 49255 98510 197020 279782033 559564066 1119128132 1398910165 2797820330 5595640660 2756132807083 5512265614166 11024531228332 13780664035415 27561328070830 55122656141660