Search a number
-
+
320213023201 = 1201266622001
BaseRepresentation
bin1001010100011100010…
…11101111100111100001
31010121112012021222220001
410222032023233213201
520221244013220301
6403034232220001
732064114534211
oct4521613574741
91117465258801
10320213023201
1111388a9a3855
125208683a601
13242716a0476
14116d983a241
1584e1ea7c01
hex4a8e2ef9e1

320213023201 has 4 divisors (see below), whose sum is σ = 320479646404. Its totient is φ = 319946400000.

The previous prime is 320213023189. The next prime is 320213023237. The reversal of 320213023201 is 102320312023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102320312023 = 284335990261.

It can be written as a sum of positive squares in 2 ways, for example, as 93498962176 + 226714061025 = 305776^2 + 476145^2 .

It is a de Polignac number, because none of the positive numbers 2k-320213023201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320213023241) 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, 133309800 + ... + 133312201.

It is an arithmetic number, because the mean of its divisors is an integer number (80119911601).

Almost surely, 2320213023201 is an apocalyptic number.

It is an amenable number.

320213023201 is a deficient number, since it is larger than the sum of its proper divisors (266623203).

320213023201 is a wasteful number, since it uses less digits than its factorization.

320213023201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266623202.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 320213023201 its reverse (102320312023), we get a palindrome (422533335224).

The spelling of 320213023201 in words is "three hundred twenty billion, two hundred thirteen million, twenty-three thousand, two hundred one".

Divisors: 1 1201 266622001 320213023201