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11428428118 = 267172349499
BaseRepresentation
bin10101010010010111…
…11111100101010110
31002111110121022010111
422221023333211112
5141401134144433
65130010513234
7553131015262
oct125113774526
932443538114
1011428428118
114935060218
12226b43581a
131101910603
147a5b550a2
1546d4badcd
hex2a92ff956

11428428118 has 16 divisors (see below), whose sum is σ = 17408952000. Its totient is φ = 5625546696.

The previous prime is 11428428097. The next prime is 11428428119. The reversal of 11428428118 is 81182482411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11428428119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206133 + ... + 255631.

It is an arithmetic number, because the mean of its divisors is an integer number (1088059500).

Almost surely, 211428428118 is an apocalyptic number.

11428428118 is a deficient number, since it is larger than the sum of its proper divisors (5980523882).

11428428118 is a wasteful number, since it uses less digits than its factorization.

11428428118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51291.

The product of its digits is 32768, while the sum is 40.

The spelling of 11428428118 in words is "eleven billion, four hundred twenty-eight million, four hundred twenty-eight thousand, one hundred eighteen".

Divisors: 1 2 67 134 1723 3446 49499 98998 115441 230882 3316433 6632866 85286777 170573554 5714214059 11428428118