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68051504057449 = 11411632689344257
BaseRepresentation
bin11110111100100011110011…
…01110011100110001101001
322220221122211022202010101211
433132101321232130301221
532404423440014314244
6400422232425113121
720222362465264603
oct1736217156346151
9286848738663354
1068051504057449
111a757531a39a80
127770a070287a1
132bc82c99c5393
1412b39d3384173
157d0298459934
hex3de479b9cc69

68051504057449 has 32 divisors (see below), whose sum is σ = 76543921077120. Its totient is φ = 59963336294400.

The previous prime is 68051504057419. The next prime is 68051504057489. The reversal of 68051504057449 is 94475040515086.

It is not a de Polignac number, because 68051504057449 - 25 = 68051504057417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68051504057393 and 68051504057402.

It is not an unprimeable number, because it can be changed into a prime (68051504057419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197504329 + ... + 197848585.

It is an arithmetic number, because the mean of its divisors is an integer number (2391997533660).

Almost surely, 268051504057449 is an apocalyptic number.

It is an amenable number.

68051504057449 is a deficient number, since it is larger than the sum of its proper divisors (8492417019671).

68051504057449 is a wasteful number, since it uses less digits than its factorization.

68051504057449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347161.

The product of its (nonzero) digits is 24192000, while the sum is 58.

The spelling of 68051504057449 in words is "sixty-eight trillion, fifty-one billion, five hundred four million, fifty-seven thousand, four hundred forty-nine".

Divisors: 1 11 41 163 451 1793 2689 6683 29579 73513 110249 344257 438307 1212739 3786827 4821377 14114537 17970587 56113891 155259907 197676457 617252801 925707073 2300669531 10182777803 25307364841 37953989993 150890252899 417493889923 1659792781889 6186500368859 68051504057449