Base | Representation |
---|---|
bin | 111100011100110001… |
… | …0001111110100001111 |
3 | 110102001222111121012012 |
4 | 1320321202033310033 |
5 | 4111324430012441 |
6 | 135345202531435 |
7 | 12243630216506 |
oct | 1707142176417 |
9 | 412058447165 |
10 | 129814297871 |
11 | 500658723a5 |
12 | 211aa666b7b |
13 | c31a58540b |
14 | 63d696983d |
15 | 359b8d09eb |
hex | 1e3988fd0f |
129814297871 has 8 divisors (see below), whose sum is σ = 134296081920. Its totient is φ = 125332875808.
The previous prime is 129814297843. The next prime is 129814297891. The reversal of 129814297871 is 178792418921.
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 129814297871 - 226 = 129747189007 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 129814297871.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (129814297891) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781745 + ... + 933141.
It is an arithmetic number, because the mean of its divisors is an integer number (16787010240).
Almost surely, 2129814297871 is an apocalyptic number.
129814297871 is a deficient number, since it is larger than the sum of its proper divisors (4481784049).
129814297871 is a wasteful number, since it uses less digits than its factorization.
129814297871 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 180993.
The product of its digits is 4064256, while the sum is 59.
The spelling of 129814297871 in words is "one hundred twenty-nine billion, eight hundred fourteen million, two hundred ninety-seven thousand, eight hundred seventy-one".
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