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211230302132 = 22193388170501
BaseRepresentation
bin1100010010111001001…
…1101001111110110100
3202012020000002010212102
43010232103221332310
511430044424132012
6241012102241232
721155324641433
oct3045623517664
9665200063772
10211230302132
1181644aa9433
1234b30726218
1316bc3b80475
14a31b7c111a
1557643562c2
hex312e4e9fb4

211230302132 has 24 divisors (see below), whose sum is σ = 371669341512. Its totient is φ = 105039360000.

The previous prime is 211230302119. The next prime is 211230302183. The reversal of 211230302132 is 231203032112.

It can be written as a sum of positive squares in 4 ways, for example, as 37262897296 + 173967404836 = 193036^2 + 417094^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2960882 + ... + 3031382.

It is an arithmetic number, because the mean of its divisors is an integer number (15486222563).

Almost surely, 2211230302132 is an apocalyptic number.

It is an amenable number.

211230302132 is a deficient number, since it is larger than the sum of its proper divisors (160439039380).

211230302132 is a wasteful number, since it uses less digits than its factorization.

211230302132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74579 (or 74577 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 211230302132 its reverse (231203032112), we get a palindrome (442433334244).

The spelling of 211230302132 in words is "two hundred eleven billion, two hundred thirty million, three hundred two thousand, one hundred thirty-two".

Divisors: 1 2 4 193 386 772 3881 7762 15524 70501 141002 282004 749033 1498066 2996132 13606693 27213386 54426772 273614381 547228762 1094457524 52807575533 105615151066 211230302132