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50000000029 = 77142857147
BaseRepresentation
bin101110100100001110…
…110111010000011101
311210001120211011122221
4232210032313100131
51304400000000104
634545241305341
73420021662560
oct564416672035
9153046734587
1050000000029
111a228773081
129834a95251
13493aa6ca45
1425c47304d7
151479894c54
hexba43b741d

50000000029 has 4 divisors (see below), whose sum is σ = 57142857184. Its totient is φ = 42857142876.

The previous prime is 50000000023. The next prime is 50000000059. The reversal of 50000000029 is 92000000005.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50000000029 - 23 = 50000000021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50000000021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3571428567 + ... + 3571428580.

It is an arithmetic number, because the mean of its divisors is an integer number (14285714296).

Almost surely, 250000000029 is an apocalyptic number.

It is an amenable number.

50000000029 is a deficient number, since it is larger than the sum of its proper divisors (7142857155).

50000000029 is an equidigital number, since it uses as much as digits as its factorization.

50000000029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7142857154.

The product of its (nonzero) digits is 90, while the sum is 16.

The spelling of 50000000029 in words is "fifty billion, twenty-nine", and thus it is an aban number and an uban number.

Divisors: 1 7 7142857147 50000000029