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68303527824 = 24375316323531
BaseRepresentation
bin111111100111001101…
…010001111110010000
320112022012010201112210
4333213031101332100
52104341200342244
651213405352120
74635424256430
oct774715217620
9215265121483
1068303527824
1126a70619454
12112a2868640
136596b34a6c
14343d5ac2c0
151b9b7074b9
hexfe7351f90

68303527824 has 160 divisors (see below), whose sum is σ = 206732196864. Its totient is φ = 19028805120.

The previous prime is 68303527811. The next prime is 68303527847. The reversal of 68303527824 is 42872530386.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 2890939 + ... + 2914469.

Almost surely, 268303527824 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 68303527824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103366098432).

68303527824 is an abundant number, since it is smaller than the sum of its proper divisors (138428669040).

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

68303527824 is a wasteful number, since it uses less digits than its factorization.

68303527824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23765 (or 23759 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 68303527824 in words is "sixty-eight billion, three hundred three million, five hundred twenty-seven thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 53 56 84 106 112 159 163 168 212 318 326 336 371 424 489 636 652 742 848 978 1113 1141 1272 1304 1484 1956 2226 2282 2544 2608 2968 3423 3912 4452 4564 5936 6846 7824 8639 8904 9128 13692 17278 17808 18256 23531 25917 27384 34556 47062 51834 54768 60473 69112 70593 94124 103668 120946 138224 141186 164717 181419 188248 207336 241892 282372 329434 362838 376496 414672 483784 494151 564744 658868 725676 967568 988302 1129488 1247143 1317736 1451352 1976604 2494286 2635472 2902704 3741429 3835553 3953208 4988572 7482858 7671106 7906416 8730001 9977144 11506659 14965716 15342212 17460002 19954288 23013318 26190003 26848871 29931432 30684424 34920004 46026636 52380006 53697742 59862864 61368848 69840008 80546613 92053272 104760012 107395484 139680016 161093226 184106544 203284309 209520024 214790968 322186452 406568618 419040048 429581936 609852927 644372904 813137236 1219705854 1288745808 1422990163 1626274472 2439411708 2845980326 3252548944 4268970489 4878823416 5691960652 8537940978 9757646832 11383921304 17075881956 22767842608 34151763912 68303527824