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211132021312 = 2619295987183
BaseRepresentation
bin1100010010100001110…
…0101111101001000000
3202011222011010221221001
43010220130233221000
511424344244140222
6240554231541344
721153022366432
oct3045034575100
9664864127831
10211132021312
11815a4581613
1234b0382a854
1316ba96bc334
14a30c71a652
15575a8e0e27
hex312872fa40

211132021312 has 56 divisors (see below), whose sum is σ = 456223420800. Its totient is φ = 96561271296.

The previous prime is 211132021259. The next prime is 211132021379. The reversal of 211132021312 is 213120231112.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 211132021312.

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, 2958328 + ... + 3028855.

It is an arithmetic number, because the mean of its divisors is an integer number (8146846800).

Almost surely, 2211132021312 is an apocalyptic number.

It is an amenable number.

211132021312 is an abundant number, since it is smaller than the sum of its proper divisors (245091399488).

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

211132021312 is a wasteful number, since it uses less digits than its factorization.

211132021312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5987243 (or 5987233 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 211132021312 its reverse (213120231112), we get a palindrome (424252252424).

The spelling of 211132021312 in words is "two hundred eleven billion, one hundred thirty-two million, twenty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 19 29 32 38 58 64 76 116 152 232 304 464 551 608 928 1102 1216 1856 2204 4408 8816 17632 35264 5987183 11974366 23948732 47897464 95794928 113756477 173628307 191589856 227512954 347256614 383179712 455025908 694513228 910051816 1389026456 1820103632 2778052912 3298937833 3640207264 5556105824 6597875666 7280414528 11112211648 13195751332 26391502664 52783005328 105566010656 211132021312