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12257733730 = 2511111433943
BaseRepresentation
bin10110110101001111…
…00010110001100010
31011122021002101120011
423122213202301202
5200100434434410
65344153435134
7612521006014
oct133247426142
934567071504
1012257733730
115220197860
12246110baaa
1312046843a8
14843d4c1b4
154bb1d118a
hex2da9e2c62

12257733730 has 16 divisors (see below), whose sum is σ = 24069731904. Its totient is φ = 4457357680.

The previous prime is 12257733673. The next prime is 12257733731. The reversal of 12257733730 is 3733775221.

It is a happy number.

12257733730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12257733731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55716862 + ... + 55717081.

It is an arithmetic number, because the mean of its divisors is an integer number (1504358244).

Almost surely, 212257733730 is an apocalyptic number.

12257733730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12257733730 is a deficient number, since it is larger than the sum of its proper divisors (11811998174).

12257733730 is a wasteful number, since it uses less digits than its factorization.

12257733730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111433961.

The product of its (nonzero) digits is 185220, while the sum is 40.

The spelling of 12257733730 in words is "twelve billion, two hundred fifty-seven million, seven hundred thirty-three thousand, seven hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 111433943 222867886 557169715 1114339430 1225773373 2451546746 6128866865 12257733730