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12849070080 = 21435721197
BaseRepresentation
bin10111111011101110…
…10100000000000000
31020011110210101112110
423331313110000000
5202303330220310
65523000055320
7633261202500
oct137567240000
936143711473
1012849070080
1154a3a68590
1225a7164540
13129a038762
1489c6bba00
1550308bd20
hex2fddd4000

12849070080 has 720 divisors, whose sum is σ = 52714501056. Its totient is φ = 2642411520.

The previous prime is 12849070079. The next prime is 12849070097. The reversal of 12849070080 is 8007094821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132464592 + ... + 132464688.

Almost surely, 212849070080 is an apocalyptic number.

12849070080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12849070080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26357250528).

12849070080 is an abundant number, since it is smaller than the sum of its proper divisors (39865430976).

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

12849070080 is an equidigital number, since it uses as much as digits as its factorization.

12849070080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 12849070080 in words is "twelve billion, eight hundred forty-nine million, seventy thousand, eighty".