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12048205087 = 31467983063
BaseRepresentation
bin10110011100010000…
…10000010100011111
31011002122211020022001
423032020100110133
5144133320030322
65311310503131
7604365024232
oct131610202437
934078736261
1012048205087
115122996896
122402b04aa7
1311a0141c49
148241a9419
154a7ae3827
hex2ce21051f

12048205087 has 8 divisors (see below), whose sum is σ = 12439664640. Its totient is φ = 11656921080.

The previous prime is 12048205079. The next prime is 12048205093. The reversal of 12048205087 is 78050284021.

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

It is a cyclic number.

It is not a de Polignac number, because 12048205087 - 23 = 12048205079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12048205027) 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, 103518 + ... + 186580.

It is an arithmetic number, because the mean of its divisors is an integer number (1554958080).

Almost surely, 212048205087 is an apocalyptic number.

12048205087 is a deficient number, since it is larger than the sum of its proper divisors (391459553).

12048205087 is an equidigital number, since it uses as much as digits as its factorization.

12048205087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87773.

The product of its (nonzero) digits is 35840, while the sum is 37.

The spelling of 12048205087 in words is "twelve billion, forty-eight million, two hundred five thousand, eighty-seven".

Divisors: 1 31 4679 83063 145049 2574953 388651777 12048205087