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29293739293 = 713437486261
BaseRepresentation
bin11011010010000010…
…101111110100011101
32210121112100010211011
4123102002233310131
5434443144124133
621242442255221
72054632450510
oct332202576435
983545303734
1029293739293
11114726089a5
1258164b7511
1329bac73160
1415bc720d77
15b66b1b6cd
hex6d20afd1d

29293739293 has 16 divisors (see below), whose sum is σ = 36892299136. Its totient is φ = 22638450240.

The previous prime is 29293739221. The next prime is 29293739353. The reversal of 29293739293 is 39293739292.

It is not a de Polignac number, because 29293739293 - 29 = 29293738781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29293739393) 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 15 ways as a sum of consecutive naturals, for example, 3739218 + ... + 3747043.

It is an arithmetic number, because the mean of its divisors is an integer number (2305768696).

Almost surely, 229293739293 is an apocalyptic number.

It is an amenable number.

29293739293 is a deficient number, since it is larger than the sum of its proper divisors (7598559843).

29293739293 is a wasteful number, since it uses less digits than its factorization.

29293739293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7486324.

The product of its digits is 9920232, while the sum is 58.

Subtracting 29293739293 from its reverse (39293739292), we obtain a palindrome (9999999999).

The spelling of 29293739293 in words is "twenty-nine billion, two hundred ninety-three million, seven hundred thirty-nine thousand, two hundred ninety-three".

Divisors: 1 7 13 43 91 301 559 3913 7486261 52403827 97321393 321909223 681249751 2253364561 4184819899 29293739293