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13006515429 = 324333608567
BaseRepresentation
bin11000001110011111…
…11010110011100101
31020120110001102221200
430013033322303211
5203114131443204
65550342433113
7640212362025
oct140717726345
936513042850
1013006515429
115574925606
12262ba32799
1312c384349b
148b5583a85
15511cdc539
hex3073face5

13006515429 has 12 divisors (see below), whose sum is σ = 19224100896. Its totient is φ = 8469358632.

The previous prime is 13006515427. The next prime is 13006515439. The reversal of 13006515429 is 92451560031.

13006515429 is a `hidden beast` number, since 130 + 0 + 6 + 515 + 4 + 2 + 9 = 666.

It is not a de Polignac number, because 13006515429 - 21 = 13006515427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13006515393 and 13006515402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13006515421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16803897 + ... + 16804670.

It is an arithmetic number, because the mean of its divisors is an integer number (1602008408).

Almost surely, 213006515429 is an apocalyptic number.

It is an amenable number.

13006515429 is a deficient number, since it is larger than the sum of its proper divisors (6217585467).

13006515429 is a wasteful number, since it uses less digits than its factorization.

13006515429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33608616 (or 33608613 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 13006515429 in words is "thirteen billion, six million, five hundred fifteen thousand, four hundred twenty-nine".

Divisors: 1 3 9 43 129 387 33608567 100825701 302477103 1445168381 4335505143 13006515429