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29253072809 = 1967151152183
BaseRepresentation
bin11011001111100111…
…100111011110101001
32210111200211001220002
4123033213213132221
5434402241312214
621234430512345
72053630005362
oct331747473651
983450731802
1029253072809
1111451662634
1258049656b5
1329b270514c
1415b7176b69
15b632871de
hex6cf9e77a9

29253072809 has 16 divisors (see below), whose sum is σ = 31459476480. Its totient is φ = 27118832400.

The previous prime is 29253072773. The next prime is 29253072833. The reversal of 29253072809 is 90827035292.

It is a cyclic number.

It is not a de Polignac number, because 29253072809 - 220 = 29252024233 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29253072869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116132 + ... + 268314.

It is an arithmetic number, because the mean of its divisors is an integer number (1966217280).

Almost surely, 229253072809 is an apocalyptic number.

It is an amenable number.

29253072809 is a deficient number, since it is larger than the sum of its proper divisors (2206403671).

29253072809 is a wasteful number, since it uses less digits than its factorization.

29253072809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152420.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 29253072809 in words is "twenty-nine billion, two hundred fifty-three million, seventy-two thousand, eight hundred nine".

Divisors: 1 19 67 151 1273 2869 10117 152183 192223 2891477 10196261 22979633 193728959 436613027 1539635411 29253072809