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11011000212 = 22321823167779
BaseRepresentation
bin10100100000100111…
…01000011110010100
31001102101010202200200
422100103220132110
5140022304001322
65020335540500
7536601646302
oct122023503624
931371122620
1011011000212
114740471483
12217368a730
1310662a9554
14766535272
15446a138ac
hex2904e8794

11011000212 has 36 divisors (see below), whose sum is σ = 27848795520. Its totient is φ = 3668298192.

The previous prime is 11011000207. The next prime is 11011000219. The reversal of 11011000212 is 21200011011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11011000194 and 11011000203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011000219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18262 + ... + 149517.

Almost surely, 211011000212 is an apocalyptic number.

11011000212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11011000212 is an abundant number, since it is smaller than the sum of its proper divisors (16837795308).

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

11011000212 is a wasteful number, since it uses less digits than its factorization.

11011000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169612 (or 169607 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11011000212 its reverse (21200011011), we get a palindrome (32211011223).

The spelling of 11011000212 in words is "eleven billion, eleven million, two hundred twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 9 12 18 36 1823 3646 5469 7292 10938 16407 21876 32814 65628 167779 335558 503337 671116 1006674 1510011 2013348 3020022 6040044 305861117 611722234 917583351 1223444468 1835166702 2752750053 3670333404 5505500106 11011000212