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68182285360 = 2457313927551
BaseRepresentation
bin111111011111111110…
…110001110000110000
320111222201222222011011
4333133332301300300
52104114131112420
651153355000304
74632422602030
oct773776616060
9214881888134
1068182285360
1126a09139172
121126a139094
136577994467
14342b44b8c0
151b90c5895a
hexfdffb1c30

68182285360 has 80 divisors (see below), whose sum is σ = 187014316032. Its totient is φ = 22622688000.

The previous prime is 68182285351. The next prime is 68182285361. The reversal of 68182285360 is 6358228186.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (68182285361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1946416 + ... + 1981135.

Almost surely, 268182285360 is an apocalyptic number.

It is an amenable number.

68182285360 is an abundant number, since it is smaller than the sum of its proper divisors (118832030672).

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

68182285360 is a wasteful number, since it uses less digits than its factorization.

68182285360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3927602 (or 3927596 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 68182285360 in words is "sixty-eight billion, one hundred eighty-two million, two hundred eighty-five thousand, three hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 31 35 40 56 62 70 80 112 124 140 155 217 248 280 310 434 496 560 620 868 1085 1240 1736 2170 2480 3472 4340 8680 17360 3927551 7855102 15710204 19637755 27492857 31420408 39275510 54985714 62840816 78551020 109971428 121754081 137464285 157102040 219942856 243508162 274928570 314204080 439885712 487016324 549857140 608770405 852278567 974032648 1099714280 1217540810 1704557134 1948065296 2199428560 2435081620 3409114268 4261392835 4870163240 6818228536 8522785670 9740326480 13636457072 17045571340 34091142680 68182285360