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12318428049 = 329141591127
BaseRepresentation
bin10110111100011110…
…00100101110010001
31011210111021222111220
423132033010232101
5200212004144144
65354202355253
7614155624254
oct133617045621
934714258456
1012318428049
115251482354
1224794bbb29
1312141153a5
1484c02b09b
154c16be919
hex2de3c4b91

12318428049 has 8 divisors (see below), whose sum is σ = 16990935360. Its totient is φ = 7929103056.

The previous prime is 12318427973. The next prime is 12318428069. The reversal of 12318428049 is 94082481321.

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

It is not a de Polignac number, because 12318428049 - 27 = 12318427921 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12318428049.

It is not an unprimeable number, because it can be changed into a prime (12318428069) 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, 70795477 + ... + 70795650.

It is an arithmetic number, because the mean of its divisors is an integer number (2123866920).

Almost surely, 212318428049 is an apocalyptic number.

It is an amenable number.

12318428049 is a deficient number, since it is larger than the sum of its proper divisors (4672507311).

12318428049 is a wasteful number, since it uses less digits than its factorization.

12318428049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141591159.

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 12318428049 in words is "twelve billion, three hundred eighteen million, four hundred twenty-eight thousand, forty-nine".

Divisors: 1 3 29 87 141591127 424773381 4106142683 12318428049