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13115729773 = 19977116511
BaseRepresentation
bin11000011011100001…
…00010011101101101
31020212001120002212101
430031300202131231
5203330111323043
610005243335101
7643006602136
oct141560423555
936761502771
1013115729773
11562053a9a3
122660521491
131310362063
148c5c92c8d
1551b6b224d
hex30dc2276d

13115729773 has 8 divisors (see below), whose sum is σ = 13948363520. Its totient is φ = 12297329280.

The previous prime is 13115729749. The next prime is 13115729779. The reversal of 13115729773 is 37792751131.

13115729773 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 13115729773 - 213 = 13115721581 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 (13115729779) 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, 3556413 + ... + 3560098.

It is an arithmetic number, because the mean of its divisors is an integer number (1743545440).

Almost surely, 213115729773 is an apocalyptic number.

It is an amenable number.

13115729773 is a deficient number, since it is larger than the sum of its proper divisors (832633747).

13115729773 is an equidigital number, since it uses as much as digits as its factorization.

13115729773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7116627.

The product of its digits is 277830, while the sum is 46.

The spelling of 13115729773 in words is "thirteen billion, one hundred fifteen million, seven hundred twenty-nine thousand, seven hundred seventy-three".

Divisors: 1 19 97 1843 7116511 135213709 690301567 13115729773