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29753843869 = 411734141849
BaseRepresentation
bin11011101101011101…
…111010000010011101
32211210121002212122101
4123231131322002131
5441413441000434
621400240045101
72102220333331
oct335535720235
984717085571
1029753843869
11116892a6312
125924603791
132a6239a199
14162388d7c1
15b92203b14
hex6ed77a09d

29753843869 has 8 divisors (see below), whose sum is σ = 30482033400. Its totient is φ = 29025772800.

The previous prime is 29753843843. The next prime is 29753843881. The reversal of 29753843869 is 96834835792.

It can be written as a sum of positive squares in 4 ways, for example, as 7452005625 + 22301838244 = 86325^2 + 149338^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29753843869 - 225 = 29720289437 is a prime.

It is a super-2 number, since 2×297538438692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29753843869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29753840869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690057 + ... + 731905.

It is an arithmetic number, because the mean of its divisors is an integer number (3810254175).

Almost surely, 229753843869 is an apocalyptic number.

It is an amenable number.

29753843869 is a deficient number, since it is larger than the sum of its proper divisors (728189531).

29753843869 is a wasteful number, since it uses less digits than its factorization.

29753843869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59231.

The product of its digits is 78382080, while the sum is 64.

The spelling of 29753843869 in words is "twenty-nine billion, seven hundred fifty-three million, eight hundred forty-three thousand, eight hundred sixty-nine".

Divisors: 1 41 17341 41849 710981 1715809 725703509 29753843869