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68439112042726 = 2471759413914531
BaseRepresentation
bin11111000111110101110001…
…11101100100100011100110
322222022201022101112220221101
433203322320331210203212
532432301300140331401
6401320254413310314
720262363665636035
oct1743727075444346
9288281271486841
1068439112042726
111a8969565a9297
127813b6019539a
132c25a1bbc5119
1412c868384271c
157da3d1e9a101
hex3e3eb8f648e6

68439112042726 has 16 divisors (see below), whose sum is σ = 104902498990080. Its totient is φ = 33472440212040.

The previous prime is 68439112042709. The next prime is 68439112042727. The reversal of 68439112042726 is 62724021193486.

It is a super-2 number, since 2×684391120427262 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68439112042727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206791920 + ... + 207122611.

It is an arithmetic number, because the mean of its divisors is an integer number (6556406186880).

Almost surely, 268439112042726 is an apocalyptic number.

68439112042726 is a deficient number, since it is larger than the sum of its proper divisors (36463386947354).

68439112042726 is a wasteful number, since it uses less digits than its factorization.

68439112042726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413916339.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 68439112042726 in words is "sixty-eight trillion, four hundred thirty-nine billion, one hundred twelve million, forty-two thousand, seven hundred twenty-six".

Divisors: 1 2 47 94 1759 3518 82673 165346 413914531 827829062 19453982957 38907965914 728075660029 1456151320058 34219556021363 68439112042726