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12437883673 = 231573444443
BaseRepresentation
bin10111001010101101…
…10000101100011001
31012002211001221211021
423211112300230121
5200433044234143
65414111002441
7620136160345
oct134526605431
935084057737
1012437883673
115302952106
1224b1509421
131232aab5a7
1485dc44625
154cbe18ced
hex2e55b0b19

12437883673 has 8 divisors (see below), whose sum is σ = 13061331648. Its totient is φ = 11821324944.

The previous prime is 12437883659. The next prime is 12437883707. The reversal of 12437883673 is 37638873421.

It is a happy number.

12437883673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12437883673 - 217 = 12437752601 is a prime.

It is a super-3 number, since 3×124378836733 (a number of 31 digits) contains 333 as substring.

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 12437883673.

It is not an unprimeable number, because it can be changed into a prime (12437886673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1718611 + ... + 1725832.

It is an arithmetic number, because the mean of its divisors is an integer number (1632666456).

Almost surely, 212437883673 is an apocalyptic number.

It is an amenable number.

12437883673 is a deficient number, since it is larger than the sum of its proper divisors (623447975).

12437883673 is a wasteful number, since it uses less digits than its factorization.

12437883673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444623.

The product of its digits is 4064256, while the sum is 52.

The spelling of 12437883673 in words is "twelve billion, four hundred thirty-seven million, eight hundred eighty-three thousand, six hundred seventy-three".

Divisors: 1 23 157 3611 3444443 79222189 540777551 12437883673