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29076047809 = 45764199257
BaseRepresentation
bin11011000101000100…
…010100011111000001
32210001100201021020121
4123011010110133001
5434021432012214
621205104340241
72046350220454
oct330504243701
983040637217
1029076047809
1111370742086
125775614681
132984b33423
14159b85549b
15b5296a424
hex6c51147c1

29076047809 has 8 divisors (see below), whose sum is σ = 29185425288. Its totient is φ = 28966871040.

The previous prime is 29076047797. The next prime is 29076047827. The reversal of 29076047809 is 90874067092.

It can be written as a sum of positive squares in 4 ways, for example, as 11394495025 + 17681552784 = 106745^2 + 132972^2 .

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 29076047809 - 213 = 29076039617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29076047879) 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, 243309 + ... + 342565.

It is an arithmetic number, because the mean of its divisors is an integer number (3648178161).

Almost surely, 229076047809 is an apocalyptic number.

It is an amenable number.

29076047809 is a deficient number, since it is larger than the sum of its proper divisors (109377479).

29076047809 is an equidigital number, since it uses as much as digits as its factorization.

29076047809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100355.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 29076047809 in words is "twenty-nine billion, seventy-six million, forty-seven thousand, eight hundred nine".

Divisors: 1 457 641 99257 292937 45360449 63623737 29076047809