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51060606005550 = 23521765930385079
BaseRepresentation
bin10111001110000011110010…
…10010000111000100101110
320200210100100102110202201010
423213001321102013010232
523143034110114134200
6300332530224530050
713520002262625651
oct1347017122070456
9220710312422633
1051060606005550
11152a6754a40a79
125887a79780926
132264cc0b67c5b
14c874bcbb1898
155d830be31150
hex2e707948712e

51060606005550 has 96 divisors (see below), whose sum is σ = 134282607148800. Its totient is φ = 12795764047360.

The previous prime is 51060606005509. The next prime is 51060606005551. The reversal of 51060606005550 is 5550060606015.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51060606005499 and 51060606005508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51060606005551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13512090 + ... + 16872989.

It is an arithmetic number, because the mean of its divisors is an integer number (1398777157800).

Almost surely, 251060606005550 is an apocalyptic number.

51060606005550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51060606005550 is an abundant number, since it is smaller than the sum of its proper divisors (83222001143250).

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

51060606005550 is a wasteful number, since it uses less digits than its factorization.

51060606005550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30385770 (or 30385765 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 51060606005550 in words is "fifty-one trillion, sixty billion, six hundred six million, five thousand, five hundred fifty".

Divisors: 1 2 3 5 6 10 15 17 25 30 34 50 51 75 85 102 150 170 255 425 510 659 850 1275 1318 1977 2550 3295 3954 6590 9885 11203 16475 19770 22406 32950 33609 49425 56015 67218 98850 112030 168045 280075 336090 560150 840225 1680450 30385079 60770158 91155237 151925395 182310474 303850790 455776185 516546343 759626975 911552370 1033092686 1519253950 1549639029 2278880925 2582731715 3099278058 4557761850 5165463430 7748195145 12913658575 15496390290 20023767061 25827317150 38740975725 40047534122 60071301183 77481951450 100118835305 120142602366 200237670610 300356505915 340404040037 500594176525 600713011830 680808080074 1001188353050 1021212120111 1501782529575 1702020200185 2042424240222 3003565059150 3404040400370 5106060600555 8510101000925 10212121201110 17020202001850 25530303002775 51060606005550