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78714139108 = 22115338986771
BaseRepresentation
bin100100101001110111…
…0100111000111100100
321112011201112120110111
41021103232213013210
52242201304422413
6100054421102404
75454416100013
oct1112356470744
9245151476414
1078714139108
1130423096830
1213309257a04
13756590a697
143b4a098a7a
1520aa672d3d
hex1253ba71e4

78714139108 has 48 divisors (see below), whose sum is σ = 153503138880. Its totient is φ = 35013430400.

The previous prime is 78714139093. The next prime is 78714139123. The reversal of 78714139108 is 80193141787.

It is an interprime number because it is at equal distance from previous prime (78714139093) and next prime (78714139123).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 863763 + ... + 950533.

It is an arithmetic number, because the mean of its divisors is an integer number (3197982060).

Almost surely, 278714139108 is an apocalyptic number.

It is an amenable number.

78714139108 is a deficient number, since it is larger than the sum of its proper divisors (74788999772).

78714139108 is a wasteful number, since it uses less digits than its factorization.

78714139108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87228 (or 87226 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 49.

The spelling of 78714139108 in words is "seventy-eight billion, seven hundred fourteen million, one hundred thirty-nine thousand, one hundred eight".

Divisors: 1 2 4 11 22 44 53 106 212 389 583 778 1166 1556 2332 4279 8558 17116 20617 41234 82468 86771 173542 226787 347084 453574 907148 954481 1908962 3817924 4598863 9197726 18395452 33753919 50587493 67507838 101174986 135015676 202349972 371293109 742586218 1485172436 1788957707 3577915414 7155830828 19678534777 39357069554 78714139108