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55000005505068 = 22313449978780231
BaseRepresentation
bin11001000000101101011111…
…10010100111000000101100
321012201221121221122002002110
430200112233302213000230
524202110002402130233
6312550353111524020
714404422260112111
oct1440265762470054
9235657557562073
1055000005505068
111658540a295698
126203452689610
13248c62a993b80
14d8202b9c4908
15655a22abc663
hex3205afca702c

55000005505068 has 96 divisors (see below), whose sum is σ = 138528827942400. Its totient is φ = 16883452293120.

The previous prime is 55000005505063. The next prime is 55000005505069. The reversal of 55000005505068 is 86050550000055.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (55000005505063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 685480513 + ... + 685560743.

It is an arithmetic number, because the mean of its divisors is an integer number (1443008624400).

Almost surely, 255000005505068 is an apocalyptic number.

It is an amenable number.

55000005505068 is an abundant number, since it is smaller than the sum of its proper divisors (83528822437332).

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

55000005505068 is a wasteful number, since it uses less digits than its factorization.

55000005505068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90487 (or 90485 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 39.

The spelling of 55000005505068 in words is "fifty-five trillion, five million, five hundred five thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 449 898 1347 1796 2694 5388 5837 9787 11674 17511 19574 23348 29361 35022 39148 58722 70044 80231 117444 127231 160462 240693 254462 320924 381693 481386 508924 763386 962772 1043003 1526772 2086006 3129009 4172012 4394363 6258018 8788726 12516036 13183089 17577452 26366178 36023719 52732356 57126719 72047438 108071157 114253438 144094876 171380157 216142314 228506876 342760314 432284628 468308347 685520628 785220797 936616694 1404925041 1570441594 1873233388 2355662391 2809850082 3140883188 4711324782 5619700164 9422649564 10207870361 20415740722 30623611083 40831481444 61247222166 122494444332 352564137853 705128275706 1057692413559 1410256551412 2115384827118 4230769654236 4583333792089 9166667584178 13750001376267 18333335168356 27500002752534 55000005505068