Search a number
-
+
12648437168696 = 2373137713138861
BaseRepresentation
bin1011100000001111000110…
…0110101011101000111000
31122210011211100000021101122
42320003301212223220320
53124212444403344241
642522340053004412
72443551031006550
oct270036146535070
948704740007348
1012648437168696
11403719904612a
121503428023708
13709986398c54
1431a28abb6160
1516e03532704b
hexb80f19aba38

12648437168696 has 256 divisors, whose sum is σ = 29235377848320. Its totient is φ = 5015582208000.

The previous prime is 12648437168623. The next prime is 12648437168707. The reversal of 12648437168696 is 69686173484621.

It is a Harshad number since it is a multiple of its sum of digits (71).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1427423306 + ... + 1427432166.

It is an arithmetic number, because the mean of its divisors is an integer number (114200694720).

Almost surely, 212648437168696 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 12648437168696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14617688924160).

12648437168696 is an abundant number, since it is smaller than the sum of its proper divisors (16586940679624).

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

12648437168696 is a wasteful number, since it uses less digits than its factorization.

12648437168696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9326 (or 9322 counting only the distinct ones).

The product of its digits is 501645312, while the sum is 71.

The spelling of 12648437168696 in words is "twelve trillion, six hundred forty-eight billion, four hundred thirty-seven million, one hundred sixty-eight thousand, six hundred ninety-six".