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29639065601 = 89421791029
BaseRepresentation
bin11011100110101000…
…000100000000000001
32211111121010112110102
4123212220010000001
5441200100044401
621341020012145
72066324620655
oct334650040001
984447115412
1029639065601
111162a530742
1258b2091055
132a44680c52
141612532a65
15b870d056b
hex6e6a04001

29639065601 has 8 divisors (see below), whose sum is σ = 30043319400. Its totient is φ = 29236394880.

The previous prime is 29639065513. The next prime is 29639065639. The reversal of 29639065601 is 10656093692.

It is a Cunningham number, because it is equal to 1721602+1.

It can be written as a sum of positive squares in 4 ways, for example, as 140659600 + 29498406001 = 11860^2 + 171751^2 .

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 29639065601 - 234 = 12459196417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29639065501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358046 + ... + 432983.

It is an arithmetic number, because the mean of its divisors is an integer number (3755414925).

Almost surely, 229639065601 is an apocalyptic number.

It is an amenable number.

29639065601 is a deficient number, since it is larger than the sum of its proper divisors (404253799).

29639065601 is an equidigital number, since it uses as much as digits as its factorization.

29639065601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791539.

The product of its (nonzero) digits is 524880, while the sum is 47.

The spelling of 29639065601 in words is "twenty-nine billion, six hundred thirty-nine million, sixty-five thousand, six hundred one".

Divisors: 1 89 421 37469 791029 70401581 333023209 29639065601