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80443545070 = 25717327723981
BaseRepresentation
bin100101011101011001…
…1110001010111101110
321200122020201111110011
41022322303301113232
52304222021420240
6100542200203434
75545315564630
oct1127263612756
9250566644404
1080443545070
1131130314059
121371046957a
13777ccb1715
143c71a36a50
15215c3d46ea
hex12bacf15ee

80443545070 has 64 divisors (see below), whose sum is σ = 167048251776. Its totient is φ = 27321085440.

The previous prime is 80443545047. The next prime is 80443545151. The reversal of 80443545070 is 7054534408.

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, 3342480 + ... + 3366460.

It is an arithmetic number, because the mean of its divisors is an integer number (2610128934).

Almost surely, 280443545070 is an apocalyptic number.

80443545070 is an abundant number, since it is smaller than the sum of its proper divisors (86604706706).

80443545070 is a wasteful number, since it uses less digits than its factorization.

80443545070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24445.

The product of its (nonzero) digits is 268800, while the sum is 40.

The spelling of 80443545070 in words is "eighty billion, four hundred forty-three million, five hundred forty-five thousand, seventy".

Divisors: 1 2 5 7 10 14 35 70 173 277 346 554 865 1211 1385 1730 1939 2422 2770 3878 6055 9695 12110 19390 23981 47921 47962 95842 119905 167867 239605 239810 335447 335734 479210 670894 839335 1677235 1678670 3354470 4148713 6642737 8297426 13285474 20743565 29040991 33213685 41487130 46499159 58081982 66427370 92998318 145204955 232495795 290409910 464991590 1149193501 2298387002 5745967505 8044354507 11491935010 16088709014 40221772535 80443545070