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768116140 = 225113141267
BaseRepresentation
bin101101110010001…
…000010110101100
31222112100100020221
4231302020112230
53033114204030
6204115221124
725014610441
oct5562102654
91875310227
10768116140
11364644030
121952a77a4
13c319b5bc
14740299c8
1547679e7a
hex2dc885ac

768116140 has 144 divisors (see below), whose sum is σ = 1889620992. Its totient is φ = 259776000.

The previous prime is 768116137. The next prime is 768116177. The reversal of 768116140 is 41611867.

It is a junction number, because it is equal to n+sod(n) for n = 768116096 and 768116105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11464387 + ... + 11464453.

It is an arithmetic number, because the mean of its divisors is an integer number (13122368).

Almost surely, 2768116140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 768116140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (944810496).

768116140 is an abundant number, since it is smaller than the sum of its proper divisors (1121504852).

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

768116140 is a wasteful number, since it uses less digits than its factorization.

768116140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 768116140 is about 27714.9082625218. The cubic root of 768116140 is about 915.8175539076.

The spelling of 768116140 in words is "seven hundred sixty-eight million, one hundred sixteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 31 41 44 55 62 67 82 110 124 134 155 164 205 220 268 310 335 341 410 451 620 670 682 737 820 902 1271 1340 1364 1474 1681 1705 1804 2077 2255 2542 2747 2948 3362 3410 3685 4154 4510 5084 5494 6355 6724 6820 7370 8308 8405 9020 10385 10988 12710 13735 13981 14740 16810 18491 20770 22847 25420 27470 27962 30217 33620 36982 41540 45694 52111 54940 55924 60434 69905 73964 85157 91388 92455 104222 112627 114235 120868 139810 151085 170314 184910 208444 225254 228470 260555 279620 302170 340628 369820 425785 450508 456940 521110 563135 573221 604340 851570 936727 1042220 1126270 1146442 1238897 1703140 1873454 2252540 2292884 2477794 2866105 3491437 3746908 4683635 4955588 5732210 6194485 6982874 9367270 11464420 12388970 13965748 17457185 18734540 24777940 34914370 38405807 69828740 76811614 153623228 192029035 384058070 768116140