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13145359603 = 79166396957
BaseRepresentation
bin11000011111000011…
…00100010011110011
31020221010022110100111
430033201210103303
5203410203001403
610012222402151
7643516466365
oct141741442363
936833273314
1013145359603
115636238262
12266a430357
1313165376bc
148c9ba6d35
1551e0b656d
hex30f8644f3

13145359603 has 4 divisors (see below), whose sum is σ = 13311756640. Its totient is φ = 12978962568.

The previous prime is 13145359583. The next prime is 13145359613. The reversal of 13145359603 is 30695354131.

13145359603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30695354131 = 132361181087.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13145359603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13145359613) 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 3 ways as a sum of consecutive naturals, for example, 83198400 + ... + 83198557.

It is an arithmetic number, because the mean of its divisors is an integer number (3327939160).

Almost surely, 213145359603 is an apocalyptic number.

13145359603 is a deficient number, since it is larger than the sum of its proper divisors (166397037).

13145359603 is an equidigital number, since it uses as much as digits as its factorization.

13145359603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166397036.

The product of its (nonzero) digits is 145800, while the sum is 40.

The spelling of 13145359603 in words is "thirteen billion, one hundred forty-five million, three hundred fifty-nine thousand, six hundred three".

Divisors: 1 79 166396957 13145359603