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80412563889 = 3371725027253
BaseRepresentation
bin100101011100011110…
…1100101100110110001
321200120002102111021000
41022320331211212301
52304141104021024
6100535132152213
75544461341530
oct1127075454661
9250502374230
1080412563889
1131114883479
1213702008669
137776754c68
143c6b890317
152159814cc9
hex12b8f659b1

80412563889 has 32 divisors (see below), whose sum is σ = 144156983040. Its totient is φ = 43247091456.

The previous prime is 80412563839. The next prime is 80412563909. The reversal of 80412563889 is 98836521408.

80412563889 is a `hidden beast` number, since 8 + 0 + 4 + 1 + 256 + 388 + 9 = 666.

It is not a de Polignac number, because 80412563889 - 27 = 80412563761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80412563839) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12510414 + ... + 12516839.

It is an arithmetic number, because the mean of its divisors is an integer number (4504905720).

Almost surely, 280412563889 is an apocalyptic number.

It is an amenable number.

80412563889 is a deficient number, since it is larger than the sum of its proper divisors (63744419151).

80412563889 is a wasteful number, since it uses less digits than its factorization.

80412563889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25027286 (or 25027280 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 80412563889 in words is "eighty billion, four hundred twelve million, five hundred sixty-three thousand, eight hundred eighty-nine".

Divisors: 1 3 7 9 17 21 27 51 63 119 153 189 357 459 1071 3213 25027253 75081759 175190771 225245277 425463301 525572313 675735831 1276389903 1576716939 2978243107 3829169709 4730150817 8934729321 11487509127 26804187963 80412563889