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12740851835 = 52779199171
BaseRepresentation
bin10111101110110100…
…11111100001111011
31012212221011100000022
423313122133201323
5202043124224320
65504132401055
7630505311425
oct136732374173
935787140008
1012740851835
115448973618
122576a7618b
1312807a83aa
1488c18b815
154e8812325
hex2f769f87b

12740851835 has 8 divisors (see below), whose sum is σ = 15344218896. Its totient is φ = 10155883680.

The previous prime is 12740851811. The next prime is 12740851847. The reversal of 12740851835 is 53815804721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12740851835 - 232 = 8445884539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4598201 + ... + 4600970.

It is an arithmetic number, because the mean of its divisors is an integer number (1918027362).

Almost surely, 212740851835 is an apocalyptic number.

12740851835 is a deficient number, since it is larger than the sum of its proper divisors (2603367061).

12740851835 is an equidigital number, since it uses as much as digits as its factorization.

12740851835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9199453.

The product of its (nonzero) digits is 268800, while the sum is 44.

The spelling of 12740851835 in words is "twelve billion, seven hundred forty million, eight hundred fifty-one thousand, eight hundred thirty-five".

Divisors: 1 5 277 1385 9199171 45995855 2548170367 12740851835