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80404708812288 = 29371710311233803
BaseRepresentation
bin10010010010000010101110…
…000110110110011000000000
3101112200121121101212211201220
4102102002232012312120000
541014322320423443123
6443001225134555040
722636022432221140
oct2222025606663000
9345617541784656
1080404708812288
112368a499a83943
129026b7a368a80
1335b3192bc8403
1415bd87429a920
1594679e91ace3
hex4920ae1b6600

80404708812288 has 640 divisors, whose sum is σ = 262022312927232. Its totient is φ = 21386825957376.

The previous prime is 80404708812187. The next prime is 80404708812293. The reversal of 80404708812288 is 88221880740408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21142440595 + ... + 21142444397.

Almost surely, 280404708812288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80404708812288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131011156463616).

80404708812288 is an abundant number, since it is smaller than the sum of its proper divisors (181617604114944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80404708812288 is a wasteful number, since it uses less digits than its factorization.

80404708812288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5074 (or 5058 counting only the distinct ones).

The product of its (nonzero) digits is 14680064, while the sum is 60.

The spelling of 80404708812288 in words is "eighty trillion, four hundred four billion, seven hundred eight million, eight hundred twelve thousand, two hundred eighty-eight".