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80309956608 = 2123271392239
BaseRepresentation
bin100101011001011011…
…0001011000000000000
321200021221100111112100
41022302312023000000
52303433322102413
6100521025030400
75542104240120
oct1126266130000
9250257314470
1080309956608
1131071971072
1213693785400
13775b40a7ab
143c5bdc0c80
1521507e7a73
hex12b2d8b000

80309956608 has 312 divisors, whose sum is σ = 267144550400. Its totient is φ = 22770450432.

The previous prime is 80309956577. The next prime is 80309956613. The reversal of 80309956608 is 80665990308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35867553 + ... + 35869791.

Almost surely, 280309956608 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 80309956608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133572275200).

80309956608 is an abundant number, since it is smaller than the sum of its proper divisors (186834593792).

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

80309956608 is a wasteful number, since it uses less digits than its factorization.

80309956608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415 (or 2390 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 80309956608 in words is "eighty billion, three hundred nine million, nine hundred fifty-six thousand, six hundred eight".