Search a number
-
+
30212133200 = 2452621712149
BaseRepresentation
bin11100001000110010…
…001001000101010000
32212222112110101102022
4130020302021011100
5443333301230300
621513530511012
72116453615664
oct341062110520
985875411368
1030212133200
11118a3a63927
125a31b95468
132b06309bc2
1416686a88a4
15bbc57d285
hex708c89150

30212133200 has 60 divisors (see below), whose sum is σ = 72602300700. Its totient is φ = 12081914880.

The previous prime is 30212133199. The next prime is 30212133307. The reversal of 30212133200 is 233121203.

It can be written as a sum of positive squares in 6 ways, for example, as 2817911056 + 27394222144 = 53084^2 + 165512^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2480726 + ... + 2492874.

It is an arithmetic number, because the mean of its divisors is an integer number (1210038345).

Almost surely, 230212133200 is an apocalyptic number.

It is an amenable number.

30212133200 is an abundant number, since it is smaller than the sum of its proper divisors (42390167500).

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

30212133200 is a wasteful number, since it uses less digits than its factorization.

30212133200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18384 (or 18373 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30212133200 its reverse (233121203), we get a palindrome (30445254403).

The spelling of 30212133200 in words is "thirty billion, two hundred twelve million, one hundred thirty-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 6217 12149 12434 24298 24868 31085 48596 49736 60745 62170 97192 99472 121490 124340 155425 194384 242980 248680 303725 310850 485960 497360 607450 621700 971920 1214900 1243400 2429800 2486800 4859600 75530333 151060666 302121332 377651665 604242664 755303330 1208485328 1510606660 1888258325 3021213320 3776516650 6042426640 7553033300 15106066600 30212133200