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11500227740 = 225575011387
BaseRepresentation
bin10101011010111011…
…11000110010011100
31002200110201002200202
422231131320302130
5142023024241430
65141053443032
7554662215521
oct125535706234
932613632622
1011500227740
114971640351
12228b4a0478
13111375c2b1
147b14c5148
1547494ed45
hex2ad778c9c

11500227740 has 12 divisors (see below), whose sum is σ = 24150478296. Its totient is φ = 4600091088.

The previous prime is 11500227731. The next prime is 11500227743. The reversal of 11500227740 is 4772200511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11500227743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287505674 + ... + 287505713.

It is an arithmetic number, because the mean of its divisors is an integer number (2012539858).

Almost surely, 211500227740 is an apocalyptic number.

11500227740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11500227740 is an abundant number, since it is smaller than the sum of its proper divisors (12650250556).

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

11500227740 is a wasteful number, since it uses less digits than its factorization.

11500227740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575011396 (or 575011394 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The spelling of 11500227740 in words is "eleven billion, five hundred million, two hundred twenty-seven thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 575011387 1150022774 2300045548 2875056935 5750113870 11500227740