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11543871792 = 243240497329
BaseRepresentation
bin10101100000001000…
…11000000100110000
31002210111211110002010
422300010120010300
5142120212344132
65145253122520
7556032201615
oct126004300460
932714743063
1011543871792
11499423a812
1222a2029440
13111c80068b
147b720650c
154786c16cc
hex2b0118130

11543871792 has 20 divisors (see below), whose sum is σ = 29821668920. Its totient is φ = 3847957248.

The previous prime is 11543871769. The next prime is 11543871793. The reversal of 11543871792 is 29717834511.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 240497329 = 11543871792 / (1 + 1 + 5 + 4 + 3 + 8 + 7 + 1 + 7 + 9 + 2).

It is not an unprimeable number, because it can be changed into a prime (11543871793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120248617 + ... + 120248712.

It is an arithmetic number, because the mean of its divisors is an integer number (1491083446).

Almost surely, 211543871792 is an apocalyptic number.

11543871792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11543871792 is an abundant number, since it is smaller than the sum of its proper divisors (18277797128).

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

11543871792 is a wasteful number, since it uses less digits than its factorization.

11543871792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240497340 (or 240497334 counting only the distinct ones).

The product of its digits is 423360, while the sum is 48.

The spelling of 11543871792 in words is "eleven billion, five hundred forty-three million, eight hundred seventy-one thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 240497329 480994658 721491987 961989316 1442983974 1923978632 2885967948 3847957264 5771935896 11543871792