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80735022880 = 255504593893
BaseRepresentation
bin100101100110000101…
…1101010111100100000
321201101120012002211121
41023030023222330200
52310321131213010
6101031131422024
75555455241311
oct1131413527440
9251346162747
1080735022880
113126a8a7706
1213791bb4914
1377c84b74b5
143c9c62c608
152177cad3da
hex12cc2eaf20

80735022880 has 24 divisors (see below), whose sum is σ = 190736491932. Its totient is φ = 32294009088.

The previous prime is 80735022871. The next prime is 80735022883. The reversal of 80735022880 is 8822053708.

It can be written as a sum of positive squares in 2 ways, for example, as 76797711376 + 3937311504 = 277124^2 + 62748^2 .

It is not an unprimeable number, because it can be changed into a prime (80735022883) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 252296787 + ... + 252297106.

Almost surely, 280735022880 is an apocalyptic number.

80735022880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80735022880 is an abundant number, since it is smaller than the sum of its proper divisors (110001469052).

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

80735022880 is a wasteful number, since it uses less digits than its factorization.

80735022880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504593908 (or 504593900 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 80735022880 in words is "eighty billion, seven hundred thirty-five million, twenty-two thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 504593893 1009187786 2018375572 2522969465 4036751144 5045938930 8073502288 10091877860 16147004576 20183755720 40367511440 80735022880