Search a number
-
+
464468650822081 = 2128672181966443
BaseRepresentation
bin110100110011011101000100…
…0111100010000100111000001
32020220112202202212112210202001
41221212322020330100213001
5441334323244102301311
64323501541425024001
7166555516104222433
oct15146721074204701
92226482685483661
10464468650822081
11124aa3059797464
1244115177485001
1316c2228a2b44c9
14829a58cc16653
1538a6d674de4c1
hex1a66e88f109c1

464468650822081 has 4 divisors (see below), whose sum is σ = 464470833001392. Its totient is φ = 464466468642772.

The previous prime is 464468650822063. The next prime is 464468650822091. The reversal of 464468650822081 is 180228056864464.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 464468650822081 - 237 = 464331211868609 is a prime.

It is a super-2 number, since 2×4644686508220812 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464468650822021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1090770355 + ... + 1091196088.

It is an arithmetic number, because the mean of its divisors is an integer number (116117708250348).

Almost surely, 2464468650822081 is an apocalyptic number.

It is an amenable number.

464468650822081 is a deficient number, since it is larger than the sum of its proper divisors (2182179311).

464468650822081 is a wasteful number, since it uses less digits than its factorization.

464468650822081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182179310.

The product of its (nonzero) digits is 141557760, while the sum is 64.

The spelling of 464468650822081 in words is "four hundred sixty-four trillion, four hundred sixty-eight billion, six hundred fifty million, eight hundred twenty-two thousand, eighty-one".

Divisors: 1 212867 2181966443 464468650822081