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29472964561 = 1031731654019
BaseRepresentation
bin11011011100101110…
…011011111111010001
32211002000120201200001
4123130232123333101
5440330034331221
621312323530001
72062240031245
oct333456337721
984060521601
1029472964561
11115547a1557
125866529901
132a19135501
1415d8456425
15b77720391
hex6dcb9bfd1

29472964561 has 8 divisors (see below), whose sum is σ = 29931145920. Its totient is φ = 29018091792.

The previous prime is 29472964541. The next prime is 29472964613. The reversal of 29472964561 is 16546927492.

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 29472964561 - 29 = 29472964049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29472964501) 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 7 ways as a sum of consecutive naturals, for example, 809191 + ... + 844828.

It is an arithmetic number, because the mean of its divisors is an integer number (3741393240).

Almost surely, 229472964561 is an apocalyptic number.

It is an amenable number.

29472964561 is a deficient number, since it is larger than the sum of its proper divisors (458181359).

29472964561 is a wasteful number, since it uses less digits than its factorization.

29472964561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654295.

The product of its digits is 6531840, while the sum is 55.

The spelling of 29472964561 in words is "twenty-nine billion, four hundred seventy-two million, nine hundred sixty-four thousand, five hundred sixty-one".

Divisors: 1 103 173 17819 1654019 170363957 286145287 29472964561