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11111100132 = 2231184175001
BaseRepresentation
bin10100101100100010…
…11110111011100100
31001200100111100222010
422112101132323210
5140223420201012
65034313234220
7542225535636
oct122621367344
931610440863
1011111100132
114791a20a90
1221a1102970
131080c56682
14775950a56
154506d7c3c
hex29645eee4

11111100132 has 24 divisors (see below), whose sum is σ = 28282800672. Its totient is φ = 3367000000.

The previous prime is 11111100089. The next prime is 11111100137. The reversal of 11111100132 is 23100111111.

It is a super-2 number, since 2×111111001322 (a number of 21 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (11111100137) 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, 42087369 + ... + 42087632.

It is an arithmetic number, because the mean of its divisors is an integer number (1178450028).

Almost surely, 211111100132 is an apocalyptic number.

11111100132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11111100132 is an abundant number, since it is smaller than the sum of its proper divisors (17171700540).

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

11111100132 is a wasteful number, since it uses less digits than its factorization.

11111100132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84175019 (or 84175017 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 11111100132 its reverse (23100111111), we get a palindrome (34211211243).

The spelling of 11111100132 in words is "eleven billion, one hundred eleven million, one hundred thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 84175001 168350002 252525003 336700004 505050006 925925011 1010100012 1851850022 2777775033 3703700044 5555550066 11111100132