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80843709415 = 572309820269
BaseRepresentation
bin100101101001010101…
…0010001101111100111
321201200010200221201211
41023102222101233213
52311031442200130
6101050013132251
75561245122550
oct1132252215747
9251603627654
1080843709415
1131316191497
121380248a087
137814b7ca61
143cacc41327
1521825cba2a
hex12d2a91be7

80843709415 has 8 divisors (see below), whose sum is σ = 110871372960. Its totient is φ = 55435686432.

The previous prime is 80843709413. The next prime is 80843709439. The reversal of 80843709415 is 51490734808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80843709415 - 21 = 80843709413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80843709413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154910100 + ... + 1154910169.

It is an arithmetic number, because the mean of its divisors is an integer number (13858921620).

Almost surely, 280843709415 is an apocalyptic number.

80843709415 is a deficient number, since it is larger than the sum of its proper divisors (30027663545).

80843709415 is a wasteful number, since it uses less digits than its factorization.

80843709415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309820281.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 80843709415 in words is "eighty billion, eight hundred forty-three million, seven hundred nine thousand, four hundred fifteen".

Divisors: 1 5 7 35 2309820269 11549101345 16168741883 80843709415