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68353594168 = 23538911531571
BaseRepresentation
bin111111101010001100…
…010001001100111000
320112102200100100122211
4333222030101030320
52104442010003133
651222354424504
74636602651436
oct775214211470
9215380310584
1068353594168
1126a96904aa2
12112b7592134
1365a4314412
1434460c1d56
151ba0ce6bcd
hexfea311338

68353594168 has 64 divisors (see below), whose sum is σ = 132247015200. Its totient is φ = 33105346560.

The previous prime is 68353594147. The next prime is 68353594171. The reversal of 68353594168 is 86149535386.

68353594168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×683535941682 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43508823 + ... + 43510393.

Almost surely, 268353594168 is an apocalyptic number.

It is an amenable number.

68353594168 is a deficient number, since it is larger than the sum of its proper divisors (63893421032).

68353594168 is a wasteful number, since it uses less digits than its factorization.

68353594168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872 (or 2868 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 58.

The spelling of 68353594168 in words is "sixty-eight billion, three hundred fifty-three million, five hundred ninety-four thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 53 89 106 178 212 356 424 712 1153 1571 2306 3142 4612 4717 6284 9224 9434 12568 18868 37736 61109 83263 102617 122218 139819 166526 205234 244436 279638 333052 410468 488872 559276 666104 820936 1118552 1811363 3622726 5438701 7245452 7410407 10877402 14490904 14820814 21754804 29641628 43509608 59283256 96002239 161211307 192004478 322422614 384008956 644845228 768017912 1289690456 8544199271 17088398542 34176797084 68353594168