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12673907983 = 111767774909
BaseRepresentation
bin10111100110110110…
…00111110100001111
31012201021012020022101
423303123013310033
5201424010023413
65453341455531
7626033304022
oct136333076417
935637166271
1012673907983
1154140aa720
1225585715a7
13126c969949
148833231b9
154e29dbedd
hex2f36c7d0f

12673907983 has 8 divisors (see below), whose sum is σ = 14639380560. Its totient is φ = 10843985280.

The previous prime is 12673907957. The next prime is 12673907993. The reversal of 12673907983 is 38970937621.

It is a happy number.

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 12673907983 - 217 = 12673776911 is a prime.

It is a super-2 number, since 2×126739079832 (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 (12673907923) 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, 33887268 + ... + 33887641.

It is an arithmetic number, because the mean of its divisors is an integer number (1829922570).

Almost surely, 212673907983 is an apocalyptic number.

12673907983 is a deficient number, since it is larger than the sum of its proper divisors (1965472577).

12673907983 is a wasteful number, since it uses less digits than its factorization.

12673907983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67774937.

The product of its (nonzero) digits is 3429216, while the sum is 55.

The spelling of 12673907983 in words is "twelve billion, six hundred seventy-three million, nine hundred seven thousand, nine hundred eighty-three".

Divisors: 1 11 17 187 67774909 745523999 1152173453 12673907983