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29809242755 = 519330890407
BaseRepresentation
bin11011110000110001…
…001111001010000011
32211221110100102121222
4123300301033022003
5442022131232010
621405535305255
72103462245165
oct336061171203
984843312558
1029809242755
11117075a4316
12593b07b22b
132a709c5aa6
14162ad90935
15b96ee8355
hex6f0c4f283

29809242755 has 8 divisors (see below), whose sum is σ = 35956434912. Its totient is φ = 23723831808.

The previous prime is 29809242737. The next prime is 29809242761. The reversal of 29809242755 is 55724290892.

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 29809242755 - 216 = 29809177219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29809242697 and 29809242706.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15444239 + ... + 15446168.

It is an arithmetic number, because the mean of its divisors is an integer number (4494554364).

Almost surely, 229809242755 is an apocalyptic number.

29809242755 is a deficient number, since it is larger than the sum of its proper divisors (6147192157).

29809242755 is a wasteful number, since it uses less digits than its factorization.

29809242755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30890605.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 29809242755 in words is "twenty-nine billion, eight hundred nine million, two hundred forty-two thousand, seven hundred fifty-five".

Divisors: 1 5 193 965 30890407 154452035 5961848551 29809242755