Search a number
-
+
3284942378481 = 32532113992
BaseRepresentation
bin101111110011010101110…
…100101101010111110001
3102122001000021121212122100
4233303111310231113301
5412310030222102411
610553025351331013
7456220635340311
oct57632564552761
912561007555570
103284942378481
111057155375075
12450788680a69
131aa9cbbb929a
14b4dc62d5441
155a6b000a456
hex2fcd5d2d5f1

3284942378481 has 27 divisors (see below), whose sum is σ = 4836556980619. Its totient is φ = 2148453061872.

The previous prime is 3284942378447. The next prime is 3284942378537. The reversal of 3284942378481 is 1848732494823.

It is a happy number.

The square root of 3284942378481 is 1812441.

It is a perfect power (a square), and thus also a powerful number.

3284942378481 is a `hidden beast` number, since 3 + 2 + 8 + 49 + 42 + 3 + 78 + 481 = 666.

3284942378481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2368105488225 + 916836890256 = 1538865^2 + 957516^2 .

It is not a de Polignac number, because 3284942378481 - 235 = 3250582640113 is a prime.

It is a super-2 number, since 2×32849423784812 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3284942378281) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 288172420 + ... + 288183818.

Almost surely, 23284942378481 is an apocalyptic number.

3284942378481 is the 1812441-st square number.

3284942378481 is the 906221-st centered octagonal number.

It is an amenable number.

3284942378481 is a deficient number, since it is larger than the sum of its proper divisors (1551614602138).

3284942378481 is an frugal number, since it uses more digits than its factorization.

3284942378481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22910 (or 11455 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 63.

The spelling of 3284942378481 in words is "three trillion, two hundred eighty-four billion, nine hundred forty-two million, three hundred seventy-eight thousand, four hundred eighty-one".

Divisors: 1 3 9 53 159 477 2809 8427 11399 25281 34197 102591 604147 1812441 5437323 32019791 96059373 129937201 288178119 389811603 1169434809 6886671653 20660014959 61980044877 364993597609 1094980792827 3284942378481