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13146650677 = 19691928983
BaseRepresentation
bin11000011111001100…
…11111100000110101
31020221012202001101001
430033212133200311
5203411020310202
610012310203301
7643533454426
oct141746374065
936835661331
1013146650677
115636a3a266
12266a953531
13131689a254
148ca02164d
1551e26dd87
hex30f99f835

13146650677 has 4 divisors (see below), whose sum is σ = 13838579680. Its totient is φ = 12454721676.

The previous prime is 13146650663. The next prime is 13146650743. The reversal of 13146650677 is 77605664131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77605664131 = 214136247391.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13146650677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13146650977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345964473 + ... + 345964510.

It is an arithmetic number, because the mean of its divisors is an integer number (3459644920).

Almost surely, 213146650677 is an apocalyptic number.

It is an amenable number.

13146650677 is a deficient number, since it is larger than the sum of its proper divisors (691929003).

13146650677 is an equidigital number, since it uses as much as digits as its factorization.

13146650677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691929002.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 13146650677 in words is "thirteen billion, one hundred forty-six million, six hundred fifty thousand, six hundred seventy-seven".

Divisors: 1 19 691928983 13146650677