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12808080248 = 231601010031
BaseRepresentation
bin10111110110110101…
…11100101101111000
31020001121122220001112
423323122330231320
5202212332031443
65514533335452
7632252612555
oct137332745570
936047586045
1012808080248
115482911297
122595497588
1312916b6512
1489708ba2c
154ee691b18
hex2fb6bcb78

12808080248 has 8 divisors (see below), whose sum is σ = 24015150480. Its totient is φ = 6404040120.

The previous prime is 12808080239. The next prime is 12808080251. The reversal of 12808080248 is 84208080821.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×128080802483 (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800505008 + ... + 800505023.

It is an arithmetic number, because the mean of its divisors is an integer number (3001893810).

Almost surely, 212808080248 is an apocalyptic number.

It is an amenable number.

12808080248 is a deficient number, since it is larger than the sum of its proper divisors (11207070232).

12808080248 is a wasteful number, since it uses less digits than its factorization.

12808080248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601010037 (or 1601010033 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 41.

The spelling of 12808080248 in words is "twelve billion, eight hundred eight million, eighty thousand, two hundred forty-eight".

Divisors: 1 2 4 8 1601010031 3202020062 6404040124 12808080248