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12048818689 = 109615117971
BaseRepresentation
bin10110011100010101…
…00110001000000001
31011002200222102000001
423032022212020001
5144133444144224
65311332000001
7604403161165
oct131612461001
934080872001
1012048818689
1151232758a6
122403160001
1311a02c831b
148242c8ca5
154a7bb5544
hex2ce2a6201

12048818689 has 8 divisors (see below), whose sum is σ = 12162011840. Its totient is φ = 11935674000.

The previous prime is 12048818687. The next prime is 12048818729. The reversal of 12048818689 is 98681884021.

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 12048818689 - 21 = 12048818687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12048818687) 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, 661474 + ... + 679444.

It is an arithmetic number, because the mean of its divisors is an integer number (1520251480).

Almost surely, 212048818689 is an apocalyptic number.

It is an amenable number.

12048818689 is a deficient number, since it is larger than the sum of its proper divisors (113193151).

12048818689 is a wasteful number, since it uses less digits than its factorization.

12048818689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24231.

The product of its (nonzero) digits is 1769472, while the sum is 55.

The spelling of 12048818689 in words is "twelve billion, forty-eight million, eight hundred eighteen thousand, six hundred eighty-nine".

Divisors: 1 109 6151 17971 670459 1958839 110539621 12048818689