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211320302232 = 233131656740883
BaseRepresentation
bin1100010011001110101…
…0111110101010011000
3202012110021102121210110
43010303222332222120
511430240444132412
6241025035244320
721160466634414
oct3046352765230
9665407377713
10211320302232
118169088a886
1234b568a96a0
1316c09702470
14a32972bd44
15576c1d2d3c
hex3133abea98

211320302232 has 64 divisors (see below), whose sum is σ = 568987534080. Its totient is φ = 65016116352.

The previous prime is 211320302231. The next prime is 211320302239. The reversal of 211320302232 is 232203023112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211320302199 and 211320302208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211320302231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5148463 + ... + 5189345.

It is an arithmetic number, because the mean of its divisors is an integer number (8890430220).

Almost surely, 2211320302232 is an apocalyptic number.

It is an amenable number.

211320302232 is an abundant number, since it is smaller than the sum of its proper divisors (357667231848).

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

211320302232 is a wasteful number, since it uses less digits than its factorization.

211320302232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57472 (or 57468 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 211320302232 its reverse (232203023112), we get a palindrome (443523325344).

The spelling of 211320302232 in words is "two hundred eleven billion, three hundred twenty million, three hundred two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 16567 33134 40883 49701 66268 81766 99402 122649 132536 163532 198804 215371 245298 327064 397608 430742 490596 531479 646113 861484 981192 1062958 1292226 1594437 1722968 2125916 2584452 3188874 4251832 5168904 6377748 12755496 677308661 1354617322 2031925983 2709234644 4063851966 5418469288 8127703932 8805012593 16255407864 17610025186 26415037779 35220050372 52830075558 70440100744 105660151116 211320302232