Search a number
-
+
212103101200 = 2452530257753
BaseRepresentation
bin1100010110001001010…
…1000111101100010000
3202021110211101221002211
43011202111013230100
511433341343214300
6241234441321504
721216053420224
oct3054225075420
9667424357084
10212103101200
1181a52742281
1235134a96294
1317002941c13
14a3a169a784
1557b5cad4ba
hex3162547b10

212103101200 has 30 divisors (see below), whose sum is σ = 509577701594. Its totient is φ = 84841240320.

The previous prime is 212103101191. The next prime is 212103101201. The reversal of 212103101200 is 2101301212.

It can be written as a sum of positive squares in 3 ways, for example, as 19631372544 + 192471728656 = 140112^2 + 438716^2 .

It is not an unprimeable number, because it can be changed into a prime (212103101201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 265128477 + ... + 265129276.

Almost surely, 2212103101200 is an apocalyptic number.

212103101200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212103101200 is an abundant number, since it is smaller than the sum of its proper divisors (297474600394).

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

212103101200 is a wasteful number, since it uses less digits than its factorization.

212103101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530257771 (or 530257760 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 212103101200 its reverse (2101301212), we get a palindrome (214204402412).

The spelling of 212103101200 in words is "two hundred twelve billion, one hundred three million, one hundred one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 530257753 1060515506 2121031012 2651288765 4242062024 5302577530 8484124048 10605155060 13256443825 21210310120 26512887650 42420620240 53025775300 106051550600 212103101200