Search a number
-
+
211130312200 = 23521055651561
BaseRepresentation
bin1100010010100001011…
…0001110011000001000
3202011222000221010110121
43010220112032120020
511424343324442300
6240554131153024
721153002020543
oct3045026163010
9664860833417
10211130312200
11815a3614525
1234b03145774
1316ba9241422
14a30c3d385a
15575a6a481a
hex312858e608

211130312200 has 24 divisors (see below), whose sum is σ = 490877976330. Its totient is φ = 84452124800.

The previous prime is 211130312191. The next prime is 211130312213. The reversal of 211130312200 is 2213031112.

211130312200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 199492649316 + 11637662884 = 446646^2 + 107878^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 527825581 + ... + 527825980.

Almost surely, 2211130312200 is an apocalyptic number.

211130312200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211130312200 is an abundant number, since it is smaller than the sum of its proper divisors (279747664130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211130312200 is a wasteful number, since it uses less digits than its factorization.

211130312200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055651577 (or 1055651568 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 211130312200 its reverse (2213031112), we get a palindrome (213343343312).

The spelling of 211130312200 in words is "two hundred eleven billion, one hundred thirty million, three hundred twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1055651561 2111303122 4222606244 5278257805 8445212488 10556515610 21113031220 26391289025 42226062440 52782578050 105565156100 211130312200