Search a number
-
+
211232020432 = 2489148337093
BaseRepresentation
bin1100010010111001101…
…0001101011111010000
3202012020010022102221011
43010232122031133100
511430100344123212
6241012203140304
721155345356156
oct3045632153720
9665203272834
10211232020432
1181645a72414
1234b31214694
1316bc4332604
14a31bb0b3d6
1557645954a7
hex312e68d7d0

211232020432 has 20 divisors (see below), whose sum is σ = 413860492260. Its totient is φ = 104429312768.

The previous prime is 211232020403. The next prime is 211232020477. The reversal of 211232020432 is 234020232112.

211232020432 is digitally balanced in base 2, 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 2 ways, for example, as 126653421456 + 84578598976 = 355884^2 + 290824^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 74167123 + ... + 74169970.

It is an arithmetic number, because the mean of its divisors is an integer number (20693024613).

Almost surely, 2211232020432 is an apocalyptic number.

It is an amenable number.

211232020432 is a deficient number, since it is larger than the sum of its proper divisors (202628471828).

211232020432 is a wasteful number, since it uses less digits than its factorization.

211232020432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148337190 (or 148337184 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 211232020432 its reverse (234020232112), we get a palindrome (445252252544).

The spelling of 211232020432 in words is "two hundred eleven billion, two hundred thirty-two million, twenty thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 89 178 356 712 1424 148337093 296674186 593348372 1186696744 2373393488 13202001277 26404002554 52808005108 105616010216 211232020432