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68258675340 = 223251941486797
BaseRepresentation
bin111111100100100010…
…001011101010001100
320112012001201222111200
4333210202023222030
52104243210102330
651205124145500
74634341111242
oct774442135214
9215161658450
1068258675340
1126a48274089
121128b838290
13658a75c62b
143437654792
151b977e7a60
hexfe488ba8c

68258675340 has 144 divisors (see below), whose sum is σ = 223265034720. Its totient is φ = 16823669760.

The previous prime is 68258675323. The next prime is 68258675389. The reversal of 68258675340 is 4357685286.

68258675340 is a `hidden beast` number, since 6 + 8 + 2 + 586 + 7 + 53 + 4 + 0 = 666.

68258675340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 103179 + ... + 383618.

It is an arithmetic number, because the mean of its divisors is an integer number (1550451630).

Almost surely, 268258675340 is an apocalyptic number.

68258675340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68258675340 is an abundant number, since it is smaller than the sum of its proper divisors (155006359380).

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

68258675340 is a wasteful number, since it uses less digits than its factorization.

68258675340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486872 (or 486867 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 68258675340 in words is "sixty-eight billion, two hundred fifty-eight million, six hundred seventy-five thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 19 20 30 36 38 41 45 57 60 76 82 90 95 114 123 164 171 180 190 205 228 246 285 342 369 380 410 492 570 615 684 738 779 820 855 1140 1230 1476 1558 1710 1845 2337 2460 3116 3420 3690 3895 4674 7011 7380 7790 9348 11685 14022 15580 23370 28044 35055 46740 70110 140220 486797 973594 1460391 1947188 2433985 2920782 4381173 4867970 5841564 7301955 8762346 9249143 9735940 14603910 17524692 18498286 19958677 21905865 27747429 29207820 36996572 39917354 43811730 46245715 55494858 59876031 79834708 83242287 87623460 92491430 99793385 110989716 119752062 138737145 166484574 179628093 184982860 199586770 239504124 277474290 299380155 332969148 359256186 379214863 399173540 416211435 554948580 598760310 718512372 758429726 832422870 898140465 1137644589 1197520620 1516859452 1664845740 1796280930 1896074315 2275289178 3412933767 3592561860 3792148630 4550578356 5688222945 6825867534 7584297260 11376445890 13651735068 17064668835 22752891780 34129337670 68258675340