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129699446017 = 1312341422927
BaseRepresentation
bin111100011001010110…
…0000111110100000001
3110101202222101112001211
41320302230013310001
54111111024233032
6135325541130121
712241034046451
oct1706254076401
9411688345054
10129699446017
1150006a57509
12211780b9941
13c2cc84183b
1463c55cdd61
153591795747
hex1e32b07d01

129699446017 has 8 divisors (see below), whose sum is σ = 130745653632. Its totient is φ = 128654089200.

The previous prime is 129699446003. The next prime is 129699446029. The reversal of 129699446017 is 710644996921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-129699446017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129699441017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95208 + ... + 518134.

It is an arithmetic number, because the mean of its divisors is an integer number (16343206704).

Almost surely, 2129699446017 is an apocalyptic number.

It is an amenable number.

129699446017 is a deficient number, since it is larger than the sum of its proper divisors (1046207615).

129699446017 is a wasteful number, since it uses less digits than its factorization.

129699446017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425399.

The product of its (nonzero) digits is 5878656, while the sum is 58.

The spelling of 129699446017 in words is "one hundred twenty-nine billion, six hundred ninety-nine million, four hundred forty-six thousand, seventeen".

Divisors: 1 131 2341 306671 422927 55403437 990072107 129699446017