Search a number
-
+
212032111230 = 23255634184569
BaseRepresentation
bin1100010101111000011…
…0010100001001111110
3202021021212211021011200
43011132012110021332
511433220210024410
6241223424000330
721214232131332
oct3053606241176
9667255737150
10212032111230
1181a16665485
12351151600a6
1316cc1017914
14a39609b7c2
1557ae9393c0
hex315e19427e

212032111230 has 48 divisors (see below), whose sum is σ = 552262810320. Its totient is φ = 56441453184.

The previous prime is 212032111183. The next prime is 212032111231. The reversal of 212032111230 is 32111230212.

212032111230 is a `hidden beast` number, since 21 + 203 + 211 + 1 + 230 = 666.

212032111230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2120321112302 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212032111231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2041615 + ... + 2142954.

It is an arithmetic number, because the mean of its divisors is an integer number (11505475215).

Almost surely, 2212032111230 is an apocalyptic number.

212032111230 is an abundant number, since it is smaller than the sum of its proper divisors (340230699090).

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

212032111230 is a wasteful number, since it uses less digits than its factorization.

212032111230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185145 (or 4185142 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212032111230 its reverse (32111230212), we get a palindrome (244143341442).

The spelling of 212032111230 in words is "two hundred twelve billion, thirty-two million, one hundred eleven thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 563 1126 1689 2815 3378 5067 5630 8445 10134 16890 25335 50670 4184569 8369138 12553707 20922845 25107414 37661121 41845690 62768535 75322242 125537070 188305605 376611210 2355912347 4711824694 7067737041 11779561735 14135474082 21203211123 23559123470 35338685205 42406422246 70677370410 106016055615 212032111230