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68014133468 = 22509259112893
BaseRepresentation
bin111111010101111101…
…010101000011011100
320111120000120222010022
4333111331111003130
52103243104232333
651124550531312
74625311411211
oct772575250334
9214500528108
1068014133468
1126932229166
1211221966b38
13654bbab3b8
143412d99b08
151b810e0c98
hexfd5f550dc

68014133468 has 24 divisors (see below), whose sum is σ = 119313855360. Its totient is φ = 33924524480.

The previous prime is 68014133459. The next prime is 68014133489. The reversal of 68014133468 is 86433141086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5268830 + ... + 5281722.

It is an arithmetic number, because the mean of its divisors is an integer number (4971410640).

Almost surely, 268014133468 is an apocalyptic number.

It is an amenable number.

68014133468 is a deficient number, since it is larger than the sum of its proper divisors (51299721892).

68014133468 is a wasteful number, since it uses less digits than its factorization.

68014133468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15997 (or 15995 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 68014133468 in words is "sixty-eight billion, fourteen million, one hundred thirty-three thousand, four hundred sixty-eight".

Divisors: 1 2 4 509 1018 2036 2591 5182 10364 12893 25786 51572 1318819 2637638 5275276 6562537 13125074 26250148 33405763 66811526 133623052 17003533367 34007066734 68014133468