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13067021707 = 91459142873
BaseRepresentation
bin11000010101101101…
…01110110110001011
31020201122220110221221
430022312232312023
5203230124143312
610000343342511
7641545565125
oct141266566613
936648813857
1013067021707
1155a5aa18a3
122648151a37
131303239a0c
148bd614215
15517290207
hex30adaed8b

13067021707 has 4 divisors (see below), whose sum is σ = 13067256040. Its totient is φ = 13066787376.

The previous prime is 13067021663. The next prime is 13067021711. The reversal of 13067021707 is 70712076031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13067021707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13067031707) 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, 20023 + ... + 162895.

It is an arithmetic number, because the mean of its divisors is an integer number (3266814010).

Almost surely, 213067021707 is an apocalyptic number.

13067021707 is a deficient number, since it is larger than the sum of its proper divisors (234333).

13067021707 is an equidigital number, since it uses as much as digits as its factorization.

13067021707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234332.

The product of its (nonzero) digits is 12348, while the sum is 34.

Adding to 13067021707 its reverse (70712076031), we get a palindrome (83779097738).

The spelling of 13067021707 in words is "thirteen billion, sixty-seven million, twenty-one thousand, seven hundred seven".

Divisors: 1 91459 142873 13067021707