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68030864076 = 22371077569077
BaseRepresentation
bin111111010110111101…
…001001101011001100
320111121012001222012110
4333112331021223030
52103311400122301
651130345304020
74625603542410
oct772675115314
9214535058173
1068030864076
112694071610a
1211227495010
1365524b8676
1434152b2d40
151b827e80d6
hexfd6f49acc

68030864076 has 48 divisors (see below), whose sum is σ = 183111134976. Its totient is φ = 19255729344.

The previous prime is 68030864053. The next prime is 68030864089. The reversal of 68030864076 is 67046803086.

It is a happy 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, 3775551 + ... + 3793526.

It is an arithmetic number, because the mean of its divisors is an integer number (3814815312).

Almost surely, 268030864076 is an apocalyptic number.

It is an amenable number.

68030864076 is an abundant number, since it is smaller than the sum of its proper divisors (115080270900).

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

68030864076 is a wasteful number, since it uses less digits than its factorization.

68030864076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7569198 (or 7569196 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 68030864076 in words is "sixty-eight billion, thirty million, eight hundred sixty-four thousand, seventy-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 107 214 321 428 642 749 1284 1498 2247 2996 4494 8988 7569077 15138154 22707231 30276308 45414462 52983539 90828924 105967078 158950617 211934156 317901234 635802468 809891239 1619782478 2429673717 3239564956 4859347434 5669238673 9718694868 11338477346 17007716019 22676954692 34015432038 68030864076