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68828502960 = 24325713656449
BaseRepresentation
bin100000000011001111…
…1111001101110110000
320120122202222020001100
41000012133321232300
52111430044043320
651341441404400
74654430423250
oct1000637715660
9216582866040
1068828502960
112720a993aa8
121140a639700
13664b822939
14348d1c5960
151bcc855790
hex10067f9bb0

68828502960 has 120 divisors (see below), whose sum is σ = 264170368800. Its totient is φ = 15732228096.

The previous prime is 68828502929. The next prime is 68828502983. The reversal of 68828502960 is 6920582886.

It is a tau number, because it is divible by the number of its divisors (120).

It is a junction number, because it is equal to n+sod(n) for n = 68828502897 and 68828502906.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6823185 + ... + 6833264.

It is an arithmetic number, because the mean of its divisors is an integer number (2201419740).

Almost surely, 268828502960 is an apocalyptic number.

68828502960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68828502960 is an abundant number, since it is smaller than the sum of its proper divisors (195341865840).

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

68828502960 is a wasteful number, since it uses less digits than its factorization.

68828502960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13656475 (or 13656466 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 68828502960 in words is "sixty-eight billion, eight hundred twenty-eight million, five hundred two thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 35 36 40 42 45 48 56 60 63 70 72 80 84 90 105 112 120 126 140 144 168 180 210 240 252 280 315 336 360 420 504 560 630 720 840 1008 1260 1680 2520 5040 13656449 27312898 40969347 54625796 68282245 81938694 95595143 109251592 122908041 136564490 163877388 191190286 204846735 218503184 245816082 273128980 286785429 327754776 382380572 409693470 477975715 491632164 546257960 573570858 614540205 655509552 764761144 819386940 860356287 955951430 983264328 1092515920 1147141716 1229080410 1433927145 1529522288 1638773880 1720712574 1911902860 1966528656 2294283432 2458160820 2867854290 3277547760 3441425148 3823805720 4301781435 4588566864 4916321640 5735708580 6882850296 7647611440 8603562870 9832643280 11471417160 13765700592 17207125740 22942834320 34414251480 68828502960