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11212111011710 = 257421937964687
BaseRepresentation
bin1010001100101000010111…
…1001001101111101111110
31110200212102021221111121002
42203022011321031331332
52432144400404333320
635502434522410302
72235022364061350
oct243120571157576
943625367844532
1011212111011710
1136330364044a4
121310b95360992
136343b38a573b
142aa951cd10d0
151469bcecb675
hexa3285e4df7e

11212111011710 has 32 divisors (see below), whose sum is σ = 23070381603840. Its totient is φ = 3843241093152.

The previous prime is 11212111011707. The next prime is 11212111011781. The reversal of 11212111011710 is 1711011121211.

It is a super-2 number, since 2×112121110117102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18687014 + ... + 19277673.

It is an arithmetic number, because the mean of its divisors is an integer number (720949425120).

Almost surely, 211212111011710 is an apocalyptic number.

11212111011710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212111011710 is an abundant number, since it is smaller than the sum of its proper divisors (11858270592130).

11212111011710 is a wasteful number, since it uses less digits than its factorization.

11212111011710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37968920.

The product of its (nonzero) digits is 28, while the sum is 20.

Adding to 11212111011710 its reverse (1711011121211), we get a palindrome (12923122132921).

The spelling of 11212111011710 in words is "eleven trillion, two hundred twelve billion, one hundred eleven million, eleven thousand, seven hundred ten".

Divisors: 1 2 5 7 10 14 35 70 4219 8438 21095 29533 42190 59066 147665 295330 37964687 75929374 189823435 265752809 379646870 531505618 1328764045 2657528090 160173014453 320346028906 800865072265 1121211101171 1601730144530 2242422202342 5606055505855 11212111011710