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211243304132 = 22723328017553
BaseRepresentation
bin1100010010111100010…
…1010000010011000100
3202012020220112201020222
43010233011100103010
511430111241213012
6241013245043512
721155543313230
oct3045705202304
9665226481228
10211243304132
1181651379a93
1234b34b56598
1316bc6783563
14a31d4075c0
155765573972
hex312f1504c4

211243304132 has 24 divisors (see below), whose sum is σ = 440855592576. Its totient is φ = 86596633728.

The previous prime is 211243304113. The next prime is 211243304137. The reversal of 211243304132 is 231403342112.

It is not an unprimeable number, because it can be changed into a prime (211243304137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164008133 + ... + 164009420.

It is an arithmetic number, because the mean of its divisors is an integer number (18368983024).

Almost surely, 2211243304132 is an apocalyptic number.

It is an amenable number.

211243304132 is an abundant number, since it is smaller than the sum of its proper divisors (229612288444).

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

211243304132 is a wasteful number, since it uses less digits than its factorization.

211243304132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328017587 (or 328017585 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 211243304132 its reverse (231403342112), we get a palindrome (442646646244).

The spelling of 211243304132 in words is "two hundred eleven billion, two hundred forty-three million, three hundred four thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 328017553 656035106 1312070212 2296122871 4592245742 7544403719 9184491484 15088807438 30177614876 52810826033 105621652066 211243304132