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80836767342 = 23655443599
BaseRepresentation
bin100101101001000111…
…1110010111001101110
321201122122122021000000
41023102033302321232
52311023203023332
6101045204245130
75561132120352
oct1132217627156
9251578567000
1080836767342
113131227a841
12138000a07a6
1378135bc016
143cabd55462
152181ba9b7c
hex12d23f2e6e

80836767342 has 28 divisors (see below), whose sum is σ = 181799564400. Its totient is φ = 26945588628.

The previous prime is 80836767329. The next prime is 80836767353. The reversal of 80836767342 is 24376763808.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 27720342 + ... + 27723257.

Almost surely, 280836767342 is an apocalyptic number.

80836767342 is an abundant number, since it is smaller than the sum of its proper divisors (100962797058).

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

80836767342 is an equidigital number, since it uses as much as digits as its factorization.

80836767342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55443619 (or 55443604 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 54.

The spelling of 80836767342 in words is "eighty billion, eight hundred thirty-six million, seven hundred sixty-seven thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 729 1458 55443599 110887198 166330797 332661594 498992391 997984782 1496977173 2993954346 4490931519 8981863038 13472794557 26945589114 40418383671 80836767342