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80428457696 = 2519912630097
BaseRepresentation
bin100101011100111101…
…0001101111011100000
321200121012022222110112
41022321322031323200
52304204141121241
6100540500550452
75545043416256
oct1127172157340
9250535288415
1080428457696
1131122849754
12137073b2428
137779b2b392
143c6da2a5d6
15215ae041eb
hex12b9e8dee0

80428457696 has 24 divisors (see below), whose sum is σ = 159139234800. Its totient is φ = 40012144128.

The previous prime is 80428457653. The next prime is 80428457701. The reversal of 80428457696 is 69675482408.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6308681 + ... + 6321416.

It is an arithmetic number, because the mean of its divisors is an integer number (6630801450).

Almost surely, 280428457696 is an apocalyptic number.

It is an amenable number.

80428457696 is a deficient number, since it is larger than the sum of its proper divisors (78710777104).

80428457696 is a wasteful number, since it uses less digits than its factorization.

80428457696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12630306 (or 12630298 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 80428457696 in words is "eighty billion, four hundred twenty-eight million, four hundred fifty-seven thousand, six hundred ninety-six".

Divisors: 1 2 4 8 16 32 199 398 796 1592 3184 6368 12630097 25260194 50520388 101040776 202081552 404163104 2513389303 5026778606 10053557212 20107114424 40214228848 80428457696