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11011000008 = 233974729811
BaseRepresentation
bin10100100000100111…
…01000011011001000
31001102101010202102010
422100103220123020
5140022304000013
65020335535520
7536601645561
oct122023503310
931371122363
1011011000008
114740471308
12217368a5a0
1310662a9428
14766535168
15446a137c3
hex2904e86c8

11011000008 has 32 divisors (see below), whose sum is σ = 27811294560. Its totient is φ = 3632494080.

The previous prime is 11011000003. The next prime is 11011000043. The reversal of 11011000008 is 80000011011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11010999957 and 11011000002.

It is not an unprimeable number, because it can be changed into a prime (11011000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2362578 + ... + 2367233.

It is an arithmetic number, because the mean of its divisors is an integer number (869102955).

Almost surely, 211011000008 is an apocalyptic number.

It is an amenable number.

11011000008 is an abundant number, since it is smaller than the sum of its proper divisors (16800294552).

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

11011000008 is a wasteful number, since it uses less digits than its factorization.

11011000008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4729917 (or 4729913 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11011000008 its reverse (80000011011), we get a palindrome (91011011019).

The spelling of 11011000008 in words is "eleven billion, eleven million, eight", and thus it is an aban number and an uban number.

Divisors: 1 2 3 4 6 8 12 24 97 194 291 388 582 776 1164 2328 4729811 9459622 14189433 18919244 28378866 37838488 56757732 113515464 458791667 917583334 1376375001 1835166668 2752750002 3670333336 5505500004 11011000008