Search a number
-
+
68014478080140 = 22353173500916763
BaseRepresentation
bin11110111011011110110101…
…10011100011100010001100
322220211010020220211121001220
433131233122303203202030
532403322122342031030
6400353230410003340
720216612112544104
oct1735573263434214
9286733226747056
1068014478080140
111a742861819229
1277657b3116550
132bc4978b30377
1412b1cbdb7a204
157ce32cad4a10
hex3ddbdace388c

68014478080140 has 96 divisors (see below), whose sum is σ = 199276710721536. Its totient is φ = 17311683294720.

The previous prime is 68014478080139. The next prime is 68014478080169. The reversal of 68014478080140 is 4108087441086.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250322602 + ... + 250594161.

It is an arithmetic number, because the mean of its divisors is an integer number (2075799070016).

Almost surely, 268014478080140 is an apocalyptic number.

68014478080140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68014478080140 is an abundant number, since it is smaller than the sum of its proper divisors (131262232641396).

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

68014478080140 is a wasteful number, since it uses less digits than its factorization.

68014478080140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500916879 (or 500916877 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 51.

The spelling of 68014478080140 in words is "sixty-eight trillion, fourteen billion, four hundred seventy-eight million, eighty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 73 93 124 146 155 186 219 292 310 365 372 438 465 620 730 876 930 1095 1460 1860 2190 2263 4380 4526 6789 9052 11315 13578 22630 27156 33945 45260 67890 135780 500916763 1001833526 1502750289 2003667052 2504583815 3005500578 5009167630 6011001156 7513751445 10018335260 15027502890 15528419653 30055005780 31056839306 36566923699 46585258959 62113678612 73133847398 77642098265 93170517918 109700771097 146267694796 155284196530 182834618495 186341035836 219401542194 232926294795 310568393060 365669236990 438803084388 465852589590 548503855485 731338473980 931705179180 1097007710970 1133574634669 2194015421940 2267149269338 3400723904007 4534298538676 5667873173345 6801447808014 11335746346690 13602895616028 17003619520035 22671492693380 34007239040070 68014478080140