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12938277673 = 71251726013
BaseRepresentation
bin11000000110010111…
…00111001100101001
31020101200122121100101
430003023213030221
5202444144341143
65535504105401
7635423355106
oct140313471451
936350577311
1012938277673
11553a358572
122611005261
1312b2670b09
148aa49daad
1550ad0db4d
hex3032e7329

12938277673 has 8 divisors (see below), whose sum is σ = 13172798016. Its totient is φ = 12705210000.

The previous prime is 12938277643. The next prime is 12938277679. The reversal of 12938277673 is 37677283921.

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 12938277673 - 213 = 12938269481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12938277679) 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, 345186 + ... + 380827.

It is an arithmetic number, because the mean of its divisors is an integer number (1646599752).

Almost surely, 212938277673 is an apocalyptic number.

It is an amenable number.

12938277673 is a deficient number, since it is larger than the sum of its proper divisors (234520343).

12938277673 is an equidigital number, since it uses as much as digits as its factorization.

12938277673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726335.

The product of its digits is 5334336, while the sum is 55.

The spelling of 12938277673 in words is "twelve billion, nine hundred thirty-eight million, two hundred seventy-seven thousand, six hundred seventy-three".

Divisors: 1 71 251 17821 726013 51546923 182229263 12938277673