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68701486582 = 2831451285227
BaseRepresentation
bin111111111110111011…
…010111110111110110
320120022220222010100001
4333332323113313312
52111200040032312
651321103141514
74651326000151
oct777673276766
9216286863301
1068701486582
112715521a793
1211393ba489a
13662b410211
14347a3a0c98
151bc1616057
hexffeed7df6

68701486582 has 16 divisors (see below), whose sum is σ = 104366066112. Its totient is φ = 33913371400.

The previous prime is 68701486517. The next prime is 68701486583. The reversal of 68701486582 is 28568410786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68701486583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98253 + ... + 383479.

It is an arithmetic number, because the mean of its divisors is an integer number (6522879132).

Almost surely, 268701486582 is an apocalyptic number.

68701486582 is a deficient number, since it is larger than the sum of its proper divisors (35664579530).

68701486582 is a wasteful number, since it uses less digits than its factorization.

68701486582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286763.

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 68701486582 in words is "sixty-eight billion, seven hundred one million, four hundred eighty-six thousand, five hundred eighty-two".

Divisors: 1 2 83 166 1451 2902 120433 240866 285227 570454 23673841 47347682 413864377 827728754 34350743291 68701486582