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68415058270080 = 273353959204761
BaseRepresentation
bin11111000111001000111110…
…01111101101011110000000
322222020102020001010200001000
433203210133033231132000
532431403014404120310
6401301235513412000
720260552631146014
oct1743443717553600
9288212201120030
1068415058270080
111a8877328a8945
12780b36870a000
132c2368771c462
1412c744100a544
157d99753d64c0
hex3e391f3ed780

68415058270080 has 128 divisors (see below), whose sum is σ = 242303331434400. Its totient is φ = 18244015534080.

The previous prime is 68415058269983. The next prime is 68415058270147. The reversal of 68415058270080 is 8007285051486.

68415058270080 is a `hidden beast` number, since 6 + 8 + 4 + 1 + 50 + 582 + 7 + 0 + 0 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 68415058269999 and 68415058270026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1979585101 + ... + 1979619660.

Almost surely, 268415058270080 is an apocalyptic number.

68415058270080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68415058270080 is an abundant number, since it is smaller than the sum of its proper divisors (173888273164320).

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

68415058270080 is a wasteful number, since it uses less digits than its factorization.

68415058270080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959204789 (or 3959204771 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 54.

The spelling of 68415058270080 in words is "sixty-eight trillion, four hundred fifteen billion, fifty-eight million, two hundred seventy thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 270 288 320 360 384 432 480 540 576 640 720 864 960 1080 1152 1440 1728 1920 2160 2880 3456 4320 5760 8640 17280 3959204761 7918409522 11877614283 15836819044 19796023805 23755228566 31673638088 35632842849 39592047610 47510457132 59388071415 63347276176 71265685698 79184095220 95020914264 106898528547 118776142830 126694552352 142531371396 158368190440 178164214245 190041828528 213797057094 237552285660 253389104704 285062742792 316736380880 356328428490 380083657056 427594114188 475104571320 506778209408 534492642735 570125485584 633472761760 712656856980 760167314112 855188228376 950209142640 1068985285470 1140250971168 1266945523520 1425313713960 1520334628224 1710376456752 1900418285280 2137970570940 2280501942336 2533891047040 2850627427920 3420752913504 3800836570560 4275941141880 4561003884672 5701254855840 6841505827008 7601673141120 8551882283760 11402509711680 13683011654016 17103764567520 22805019423360 34207529135040 68415058270080