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68484614394 = 2376538113079
BaseRepresentation
bin111111110010000000…
…000100100011111010
320112202210212212121210
4333302000010203322
52110224030130034
651243354543550
74643053421550
oct776200044372
9215683785553
1068484614394
1127053863479
1211333437bb6
1365c54c9391
143459669bd0
151bac5778e9
hexff20048fa

68484614394 has 64 divisors (see below), whose sum is σ = 157020272640. Its totient is φ = 19506640320.

The previous prime is 68484614377. The next prime is 68484614399. The reversal of 68484614394 is 49341648486.

It is not an unprimeable number, because it can be changed into a prime (68484614399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22240947 + ... + 22244025.

It is an arithmetic number, because the mean of its divisors is an integer number (2453441760).

Almost surely, 268484614394 is an apocalyptic number.

68484614394 is an abundant number, since it is smaller than the sum of its proper divisors (88535658246).

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

68484614394 is a wasteful number, since it uses less digits than its factorization.

68484614394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4555.

The product of its digits is 15925248, while the sum is 57.

The spelling of 68484614394 in words is "sixty-eight billion, four hundred eighty-four million, six hundred fourteen thousand, three hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 653 811 1306 1622 1959 2433 3079 3918 4571 4866 5677 6158 9142 9237 11354 13713 17031 18474 21553 27426 34062 43106 64659 129318 529583 1059166 1588749 2010587 2497069 3177498 3707081 4021174 4994138 6031761 7414162 7491207 11121243 12063522 14074109 14982414 17479483 22242486 28148218 34958966 42222327 52438449 84444654 104876898 1630586057 3261172114 4891758171 9783516342 11414102399 22828204798 34242307197 68484614394