Search a number
-
+
210304203401 = 1944110817561
BaseRepresentation
bin1100001111011100011…
…0110111101010001001
3202002211110110110020102
43003313012313222021
511421200334002101
6240340140535145
721123351143225
oct3036706675211
9662743413212
10210304203401
118120a270786
12349125514b5
1316aa7049756
14a2707cd785
15570cdc186b
hex30f71b7a89

210304203401 has 4 divisors (see below), whose sum is σ = 210315040404. Its totient is φ = 210293366400.

The previous prime is 210304203397. The next prime is 210304203413. The reversal of 210304203401 is 104302403012.

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 41320725625 + 168983477776 = 203275^2 + 411076^2 .

It is a cyclic number.

It is not a de Polignac number, because 210304203401 - 22 = 210304203397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210304203451) 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, 5389340 + ... + 5428221.

It is an arithmetic number, because the mean of its divisors is an integer number (52578760101).

Almost surely, 2210304203401 is an apocalyptic number.

It is an amenable number.

210304203401 is a deficient number, since it is larger than the sum of its proper divisors (10837003).

210304203401 is a wasteful number, since it uses less digits than its factorization.

210304203401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10837002.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 210304203401 its reverse (104302403012), we get a palindrome (314606606413).

The spelling of 210304203401 in words is "two hundred ten billion, three hundred four million, two hundred three thousand, four hundred one".

Divisors: 1 19441 10817561 210304203401