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320324262121 = 419298409889
BaseRepresentation
bin1001010100101001101…
…00000101100011101001
31010121210221121112000001
410222110310011203221
520222011002341441
6403053244343001
732066635206013
oct4522464054351
91117727545001
10320324262121
11113937771246
12520b7b44a61
132428b74a706
141170a5151b3
1584ebb2c731
hex4a94d058e9

320324262121 has 8 divisors (see below), whose sum is σ = 328490303400. Its totient is φ = 312175042560.

The previous prime is 320324262107. The next prime is 320324262127. The reversal of 320324262121 is 121262423023.

It can be written as a sum of positive squares in 4 ways, for example, as 3592803600 + 316731458521 = 59940^2 + 562789^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320324262121 - 215 = 320324229353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320324262121.

It is not an unprimeable number, because it can be changed into a prime (320324262127) 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 7 ways as a sum of consecutive naturals, for example, 4166856 + ... + 4243033.

It is an arithmetic number, because the mean of its divisors is an integer number (41061287925).

Almost surely, 2320324262121 is an apocalyptic number.

It is an amenable number.

320324262121 is a deficient number, since it is larger than the sum of its proper divisors (8166041279).

320324262121 is an equidigital number, since it uses as much as digits as its factorization.

320324262121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8410859.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 320324262121 its reverse (121262423023), we get a palindrome (441586685144).

The spelling of 320324262121 in words is "three hundred twenty billion, three hundred twenty-four million, two hundred sixty-two thousand, one hundred twenty-one".

Divisors: 1 41 929 38089 8409889 344805449 7812786881 320324262121