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68416140110 = 25177910349459
BaseRepresentation
bin111111101101111010…
…110111001101001110
320112121001001000120012
4333231322313031032
52110104012440420
651232511153222
74641262411223
oct775572671516
9215531030505
1068416140110
112701914475a
1211314515812
1365b4273156
14345052394a
151ba654ddc5
hexfedeb734e

68416140110 has 64 divisors (see below), whose sum is σ = 133328332800. Its totient is φ = 25183222272.

The previous prime is 68416140077. The next prime is 68416140137. The reversal of 68416140110 is 1104161486.

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, 1358561 + ... + 1408019.

It is an arithmetic number, because the mean of its divisors is an integer number (2083255200).

Almost surely, 268416140110 is an apocalyptic number.

68416140110 is a deficient number, since it is larger than the sum of its proper divisors (64912192690).

68416140110 is a wasteful number, since it uses less digits than its factorization.

68416140110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49665.

The product of its (nonzero) digits is 4608, while the sum is 32.

The spelling of 68416140110 in words is "sixty-eight billion, four hundred sixteen million, one hundred forty thousand, one hundred ten".

Divisors: 1 2 5 10 17 34 79 85 103 158 170 206 395 515 790 1030 1343 1751 2686 3502 6715 8137 8755 13430 16274 17510 40685 49459 81370 98918 138329 247295 276658 494590 691645 840803 1383290 1681606 3907261 4204015 5094277 7814522 8408030 10188554 19536305 25471385 39072610 50942770 66423437 86602709 132846874 173205418 332117185 402447883 433013545 664234370 804895766 866027090 2012239415 4024478830 6841614011 13683228022 34208070055 68416140110