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12892349539 = 48749515347
BaseRepresentation
bin11000000000111000…
…11010010001100011
31020021111020012210101
430000130122101203
5202400420141124
65531143443231
7634325106616
oct140034322143
936244205711
1012892349539
115516439033
1225b9756517
1312a5cacbc4
148a434617d
15506c8a644
hex30071a463

12892349539 has 8 divisors (see below), whose sum is σ = 12923848448. Its totient is φ = 12860872200.

The previous prime is 12892349537. The next prime is 12892349543. The reversal of 12892349539 is 93594329821.

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 12892349539 - 21 = 12892349537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12892349539.

It is not an unprimeable number, because it can be changed into a prime (12892349531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2408464 + ... + 2413810.

It is an arithmetic number, because the mean of its divisors is an integer number (1615481056).

Almost surely, 212892349539 is an apocalyptic number.

12892349539 is a deficient number, since it is larger than the sum of its proper divisors (31498909).

12892349539 is an equidigital number, since it uses as much as digits as its factorization.

12892349539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10785.

The product of its digits is 4199040, while the sum is 55.

The spelling of 12892349539 in words is "twelve billion, eight hundred ninety-two million, three hundred forty-nine thousand, five hundred thirty-nine".

Divisors: 1 487 4951 5347 2411137 2603989 26472997 12892349539