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68311283414 = 21119434780863
BaseRepresentation
bin111111100111101010…
…110111011011010110
320112022201201202012212
4333213222313123112
52104400142032124
651214243513422
74635550220453
oct774752673326
9215281652185
1068311283414
1126a74a36330
12112a5388872
13659861bb7a
14344062a82a
151b9c23a40e
hexfe7ab76d6

68311283414 has 64 divisors (see below), whose sum is σ = 122965032960. Its totient is φ = 28120569120.

The previous prime is 68311283389. The next prime is 68311283531. The reversal of 68311283414 is 41438211386.

It is a congruent number.

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, 804347 + ... + 885209.

It is an arithmetic number, because the mean of its divisors is an integer number (1921328640).

Almost surely, 268311283414 is an apocalyptic number.

68311283414 is a deficient number, since it is larger than the sum of its proper divisors (54653749546).

68311283414 is a wasteful number, since it uses less digits than its factorization.

68311283414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80985.

The product of its digits is 110592, while the sum is 41.

The spelling of 68311283414 in words is "sixty-eight billion, three hundred eleven million, two hundred eighty-three thousand, four hundred fourteen".

Divisors: 1 2 11 19 22 38 43 47 86 94 209 418 473 517 817 893 946 1034 1634 1786 2021 4042 8987 9823 17974 19646 22231 38399 44462 76798 80863 161726 422389 844778 889493 1536397 1778986 3072794 3477109 3800561 6954218 7601122 16900367 33800734 38248199 41806171 66065071 72210659 76496398 83612342 132130142 144421318 163424123 326848246 726715781 794317249 1453431562 1588634498 1797665353 3105058337 3595330706 6210116674 34155641707 68311283414