Base | Representation |
---|---|
bin | 111100001111111100… |
… | …0111001011100111111 |
3 | 110100221222212121211211 |
4 | 1320133320321130333 |
5 | 4104434302343332 |
6 | 135234352425251 |
7 | 12230154043345 |
oct | 1703770713477 |
9 | 410858777754 |
10 | 129384027967 |
11 | 4a964a02237 |
12 | 210aa548227 |
13 | c27c3a603c |
14 | 6395765995 |
15 | 3573c3d447 |
hex | 1e1fe3973f |
129384027967 has 4 divisors (see below), whose sum is σ = 129412362736. Its totient is φ = 129355693200.
The previous prime is 129384027953. The next prime is 129384027991. The reversal of 129384027967 is 769720483921.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 769720483921 = 103 ⋅7473014407.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-129384027967 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (129384007967) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14160534 + ... + 14169667.
It is an arithmetic number, because the mean of its divisors is an integer number (32353090684).
Almost surely, 2129384027967 is an apocalyptic number.
129384027967 is a deficient number, since it is larger than the sum of its proper divisors (28334769).
129384027967 is an equidigital number, since it uses as much as digits as its factorization.
129384027967 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28334768.
The product of its (nonzero) digits is 9144576, while the sum is 58.
The spelling of 129384027967 in words is "one hundred twenty-nine billion, three hundred eighty-four million, twenty-seven thousand, nine hundred sixty-seven".
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