Search a number
-
+
465055520161 = 4211104644941
BaseRepresentation
bin1101100010001110111…
…10000001010110100001
31122110101112000012122111
412301013132001112201
530104413203121121
6553351001435321
745412336461361
oct6610736012641
91573345005574
10465055520161
1116a2577985a1
127616a19bb41
1334b15595c7b
141871a24a9a1
15c16cdbd2e1
hex6c477815a1

465055520161 has 4 divisors (see below), whose sum is σ = 466160165524. Its totient is φ = 463950874800.

The previous prime is 465055520141. The next prime is 465055520203. The reversal of 465055520161 is 161025550564.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7809080161 + 457246440000 = 88369^2 + 676200^2 .

It is a cyclic number.

It is not a de Polignac number, because 465055520161 - 229 = 464518649249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (465055520141) 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, 552322050 + ... + 552322891.

It is an arithmetic number, because the mean of its divisors is an integer number (116540041381).

Almost surely, 2465055520161 is an apocalyptic number.

It is an amenable number.

465055520161 is a deficient number, since it is larger than the sum of its proper divisors (1104645363).

465055520161 is a wasteful number, since it uses less digits than its factorization.

465055520161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104645362.

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 465055520161 in words is "four hundred sixty-five billion, fifty-five million, five hundred twenty thousand, one hundred sixty-one".

Divisors: 1 421 1104644941 465055520161