Search a number
-
+
220231200313 = 1712954776489
BaseRepresentation
bin1100110100011011001…
…1010110111000111001
3210001110021212010221201
43031012303112320321
512102013141402223
6245101154534201
721624351213205
oct3150663267071
9701407763851
10220231200313
1185443853463
1236822b97361
13179c9886517
14a932d8bb05
155ade65dead
hex3346cd6e39

220231200313 has 4 divisors (see below), whose sum is σ = 233185976820. Its totient is φ = 207276423808.

The previous prime is 220231200289. The next prime is 220231200323. The reversal of 220231200313 is 313002132022.

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 93190993984 + 127040206329 = 305272^2 + 356427^2 .

It is a cyclic number.

It is not a de Polignac number, because 220231200313 - 217 = 220231069241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220231200323) 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, 6477388228 + ... + 6477388261.

It is an arithmetic number, because the mean of its divisors is an integer number (58296494205).

Almost surely, 2220231200313 is an apocalyptic number.

It is an amenable number.

220231200313 is a deficient number, since it is larger than the sum of its proper divisors (12954776507).

220231200313 is a wasteful number, since it uses less digits than its factorization.

220231200313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12954776506.

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

Adding to 220231200313 its reverse (313002132022), we get a palindrome (533233332335).

The spelling of 220231200313 in words is "two hundred twenty billion, two hundred thirty-one million, two hundred thousand, three hundred thirteen".

Divisors: 1 17 12954776489 220231200313