Search a number
-
+
213250032200 = 23521066250161
BaseRepresentation
bin1100011010011010110…
…0010100001001001000
3202101102202120001122202
43012212230110021020
511443214002012300
6241544332135332
721256351236332
oct3064654241110
9671382501582
10213250032200
11824910a1537
12353b5007548
131715644510a
14a46db34452
155831814ad5
hex31a6b14248

213250032200 has 24 divisors (see below), whose sum is σ = 495806325330. Its totient is φ = 85300012800.

The previous prime is 213250032199. The next prime is 213250032221. The reversal of 213250032200 is 2230052312.

It can be written as a sum of positive squares in 3 ways, for example, as 154450572004 + 58799460196 = 393002^2 + 242486^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 533124881 + ... + 533125280.

Almost surely, 2213250032200 is an apocalyptic number.

213250032200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213250032200 is an abundant number, since it is smaller than the sum of its proper divisors (282556293130).

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

213250032200 is a wasteful number, since it uses less digits than its factorization.

213250032200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066250177 (or 1066250168 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 213250032200 its reverse (2230052312), we get a palindrome (215480084512).

The spelling of 213250032200 in words is "two hundred thirteen billion, two hundred fifty million, thirty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1066250161 2132500322 4265000644 5331250805 8530001288 10662501610 21325003220 26656254025 42650006440 53312508050 106625016100 213250032200