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12483938469 = 36168218243
BaseRepresentation
bin10111010000001100…
…11100100010100101
31012020000201210010110
423220012130202211
5201031342012334
65422434043233
7621235504032
oct135006344245
935200653113
1012483938469
115326948822
122504a19519
13123c4b5052
14865dd2389
154d0eb4ae9
hex2e819c8a5

12483938469 has 8 divisors (see below), whose sum is σ = 16918124512. Its totient is φ = 8186189040.

The previous prime is 12483938437. The next prime is 12483938471. The reversal of 12483938469 is 96483938421.

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

It is not a de Polignac number, because 12483938469 - 25 = 12483938437 is a prime.

It is a super-2 number, since 2×124839384692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12483938479) 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, 34108939 + ... + 34109304.

It is an arithmetic number, because the mean of its divisors is an integer number (2114765564).

Almost surely, 212483938469 is an apocalyptic number.

It is an amenable number.

12483938469 is a deficient number, since it is larger than the sum of its proper divisors (4434186043).

12483938469 is an equidigital number, since it uses as much as digits as its factorization.

12483938469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68218307.

The product of its digits is 8957952, while the sum is 57.

The spelling of 12483938469 in words is "twelve billion, four hundred eighty-three million, nine hundred thirty-eight thousand, four hundred sixty-nine".

Divisors: 1 3 61 183 68218243 204654729 4161312823 12483938469