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324440132421 = 3108146710807
BaseRepresentation
bin1001011100010100010…
…00111000101101000101
31011000102210100101121210
410232022020320231011
520303423133214141
6405013514002033
732303633423616
oct4561210705505
91130383311553
10324440132421
11115659aa6549
1252a66416319
132479637b422
14119badcbc0d
15868d13e916
hex4b8a238b45

324440132421 has 4 divisors (see below), whose sum is σ = 432586843232. Its totient is φ = 216293421612.

The previous prime is 324440132411. The next prime is 324440132447. The reversal of 324440132421 is 124231044423.

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 not a de Polignac number, because 324440132421 - 27 = 324440132293 is a prime.

It is a super-2 number, since 2×3244401324212 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324440132411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54073355401 + ... + 54073355406.

It is an arithmetic number, because the mean of its divisors is an integer number (108146710808).

Almost surely, 2324440132421 is an apocalyptic number.

It is an amenable number.

324440132421 is a deficient number, since it is larger than the sum of its proper divisors (108146710811).

324440132421 is a wasteful number, since it uses less digits than its factorization.

324440132421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108146710810.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 324440132421 its reverse (124231044423), we get a palindrome (448671176844).

The spelling of 324440132421 in words is "three hundred twenty-four billion, four hundred forty million, one hundred thirty-two thousand, four hundred twenty-one".

Divisors: 1 3 108146710807 324440132421