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11031212031210 = 2325722037948189
BaseRepresentation
bin1010000010000110011101…
…1110010111110011101010
31110001120111010121010221100
42200201213132113303222
52421213410234444320
635243400245422230
72215656501110010
oct240414736276352
943046433533840
1011031212031210
113573346676a28
1212a1b0a70a976
13620314933887
142a1cb09628b0
15141e318e8790
hexa0867797cea

11031212031210 has 96 divisors (see below), whose sum is σ = 32793341742720. Its totient is φ = 2520275036544.

The previous prime is 11031212031193. The next prime is 11031212031211. The reversal of 11031212031210 is 1213021213011.

11031212031210 is a `hidden beast` number, since 1 + 10 + 312 + 1 + 20 + 312 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11031212031211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2586205 + ... + 5361984.

It is an arithmetic number, because the mean of its divisors is an integer number (341597309820).

Almost surely, 211031212031210 is an apocalyptic number.

11031212031210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11031212031210 is an abundant number, since it is smaller than the sum of its proper divisors (21762129711510).

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

11031212031210 is a wasteful number, since it uses less digits than its factorization.

11031212031210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7950412 (or 7950409 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11031212031210 its reverse (1213021213011), we get a palindrome (12244233244221).

The spelling of 11031212031210 in words is "eleven trillion, thirty-one billion, two hundred twelve million, thirty-one thousand, two hundred ten".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 2203 4406 6609 11015 13218 15421 19827 22030 30842 33045 39654 46263 66090 77105 92526 99135 138789 154210 198270 231315 277578 462630 693945 1387890 7948189 15896378 23844567 39740945 47689134 55637323 71533701 79481890 111274646 119222835 143067402 166911969 238445670 278186615 333823938 357668505 500735907 556373230 715337010 834559845 1001471814 1669119690 2503679535 5007359070 17509860367 35019720734 52529581101 87549301835 105059162202 122569022569 157588743303 175098603670 245138045138 262647905505 315177486606 367707067707 525295811010 612845112845 735414135414 787943716515 1103121203121 1225690225690 1575887433030 1838535338535 2206242406242 3677070677070 5515606015605 11031212031210