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11144431211210 = 2511177438020981
BaseRepresentation
bin1010001000101100001111…
…0111010001001011001010
31110110101201120110102002022
42202023003313101023022
52430042243342224320
635411403033404442
72230105252212623
oct242130367211312
943411646412068
1011144431211210
11360736597a680
1212bba47569722
1362abb90563cb
142a75714c4a4a
15144d5b42c325
hexa22c3dd12ca

11144431211210 has 64 divisors (see below), whose sum is σ = 23202070043904. Its totient is φ = 3809002982400.

The previous prime is 11144431211203. The next prime is 11144431211317. The reversal of 11144431211210 is 1211213444111.

It is a self number, because there is not a number n which added to its sum of digits gives 11144431211210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2621081 + ... + 5399900.

It is an arithmetic number, because the mean of its divisors is an integer number (362532344436).

Almost surely, 211144431211210 is an apocalyptic number.

11144431211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11144431211210 is an abundant number, since it is smaller than the sum of its proper divisors (12057638832694).

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

11144431211210 is a wasteful number, since it uses less digits than its factorization.

11144431211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8021759.

The product of its (nonzero) digits is 768, while the sum is 26.

Adding to 11144431211210 its reverse (1211213444111), we get a palindrome (12355644655321).

The spelling of 11144431211210 in words is "eleven trillion, one hundred forty-four billion, four hundred thirty-one million, two hundred eleven thousand, two hundred ten".

Divisors: 1 2 5 10 11 17 22 34 55 85 110 170 187 374 743 935 1486 1870 3715 7430 8173 12631 16346 25262 40865 63155 81730 126310 138941 277882 694705 1389410 8020981 16041962 40104905 80209810 88230791 136356677 176461582 272713354 441153955 681783385 882307910 1363566770 1499923447 2999846894 5959588883 7499617235 11919177766 14999234470 29797944415 59595888830 65555477713 101313011011 131110955426 202626022022 327777388565 506565055055 655554777130 1013130110110 1114443121121 2228886242242 5572215605605 11144431211210