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29303130293 = 139210813887
BaseRepresentation
bin11011010010100110…
…100100100010110101
32210122012000020211222
4123102212210202311
5440003100132133
621243415440125
72055105332513
oct332246444265
983565006758
1029303130293
1111477942558
125819686045
1329bcbb0768
1415bda874b3
15b67873e98
hex6d29a48b5

29303130293 has 4 divisors (see below), whose sum is σ = 29513944320. Its totient is φ = 29092316268.

The previous prime is 29303130287. The next prime is 29303130331. The reversal of 29303130293 is 39203130392.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29303130293 - 218 = 29302868149 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 (29303130203) 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, 105406805 + ... + 105407082.

It is an arithmetic number, because the mean of its divisors is an integer number (7378486080).

Almost surely, 229303130293 is an apocalyptic number.

It is an amenable number.

29303130293 is a deficient number, since it is larger than the sum of its proper divisors (210814027).

29303130293 is a wasteful number, since it uses less digits than its factorization.

29303130293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210814026.

The product of its (nonzero) digits is 26244, while the sum is 35.

Subtracting 29303130293 from its reverse (39203130392), we obtain a palindrome (9900000099).

The spelling of 29303130293 in words is "twenty-nine billion, three hundred three million, one hundred thirty thousand, two hundred ninety-three".

Divisors: 1 139 210813887 29303130293