Search a number
-
+
485812886158656 = 26357173710965089
BaseRepresentation
bin110111001110110000010000…
…0100000011011110101000000
32100201010020222022221200200000
41232131200200200123311000
51002134024242324034111
64441123205303400000
7204220552130133630
oct15635404040336500
92321106868850600
10485812886158656
111308820a7136791
12465a1960753000
1317b0cc60043934
1487d767d4c06c0
153b271949e1c56
hex1b9d82081bd40

485812886158656 has 1344 divisors, whose sum is σ = 1811165554598400. Its totient is φ = 125939918831616.

The previous prime is 485812886158643. The next prime is 485812886158667. The reversal of 485812886158656 is 656851688218584.

485812886158656 is a `hidden beast` number, since 4 + 8 + 5 + 8 + 1 + 28 + 8 + 6 + 1 + 586 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 7463792160 + ... + 7463857248.

It is an arithmetic number, because the mean of its divisors is an integer number (1347593418600).

Almost surely, 2485812886158656 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 485812886158656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (905582777299200).

485812886158656 is an abundant number, since it is smaller than the sum of its proper divisors (1325352668439744).

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

485812886158656 is a wasteful number, since it uses less digits than its factorization.

485812886158656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65286 (or 65264 counting only the distinct ones).

The product of its digits is 7077888000, while the sum is 81.

The spelling of 485812886158656 in words is "four hundred eighty-five trillion, eight hundred twelve billion, eight hundred eighty-six million, one hundred fifty-eight thousand, six hundred fifty-six".