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80881869323 = 174757757019
BaseRepresentation
bin100101101010011101…
…1110110001000001011
321201202210111200021202
41023110323312020023
52311121224304243
6101053455054415
75562220355123
oct1132473661013
9251683450252
1080881869323
1131335785602
121381321140b
13781ca50b98
143cb3d35c83
152185b184b8
hex12d4ef620b

80881869323 has 4 divisors (see below), whose sum is σ = 85639626360. Its totient is φ = 76124112288.

The previous prime is 80881869259. The next prime is 80881869337. The reversal of 80881869323 is 32396818808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80881869323 - 26 = 80881869259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80881829323) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2378878493 + ... + 2378878526.

It is an arithmetic number, because the mean of its divisors is an integer number (21409906590).

Almost surely, 280881869323 is an apocalyptic number.

80881869323 is a deficient number, since it is larger than the sum of its proper divisors (4757757037).

80881869323 is a wasteful number, since it uses less digits than its factorization.

80881869323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4757757036.

The product of its (nonzero) digits is 3981312, while the sum is 56.

The spelling of 80881869323 in words is "eighty billion, eight hundred eighty-one million, eight hundred sixty-nine thousand, three hundred twenty-three".

Divisors: 1 17 4757757019 80881869323