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13125421034 = 211254237277
BaseRepresentation
bin11000011100101011…
…00000011111101010
31020212201210110202222
430032111200133222
5203340101433114
610010231154042
7643155144425
oct141625403752
936781713688
1013125421034
115625a5a100
122663815922
13131237622b
148c72969bc
1551c47898e
hex30e5607ea

13125421034 has 12 divisors (see below), whose sum is σ = 21640673922. Its totient is φ = 5966100360.

The previous prime is 13125421031. The next prime is 13125421037. The reversal of 13125421034 is 43012452131.

It is a happy number.

13125421034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13125421031) and next prime (13125421037).

It can be written as a sum of positive squares in only one way, i.e., 9642650809 + 3482770225 = 98197^2 + 59015^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13125420994 and 13125421012.

It is not an unprimeable number, because it can be changed into a prime (13125421031) 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 5 ways as a sum of consecutive naturals, for example, 27118397 + ... + 27118880.

Almost surely, 213125421034 is an apocalyptic number.

13125421034 is a deficient number, since it is larger than the sum of its proper divisors (8515252888).

13125421034 is a wasteful number, since it uses less digits than its factorization.

13125421034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54237301 (or 54237290 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 13125421034 its reverse (43012452131), we get a palindrome (56137873165).

The spelling of 13125421034 in words is "thirteen billion, one hundred twenty-five million, four hundred twenty-one thousand, thirty-four".

Divisors: 1 2 11 22 121 242 54237277 108474554 596610047 1193220094 6562710517 13125421034