Base | Representation |
---|---|
bin | 1011111111111100010… |
… | …0100110100010100101 |
3 | 201201002110011021110121 |
4 | 2333333010212202211 |
5 | 11334140033000204 |
6 | 234411204521541 |
7 | 20615261252113 |
oct | 2777704464245 |
9 | 651073137417 |
10 | 206142859429 |
11 | 7a4742a7431 |
12 | 33b509b02b1 |
13 | 16592b86940 |
14 | 9d97c7aab3 |
15 | 55678cab54 |
hex | 2fff1268a5 |
206142859429 has 8 divisors (see below), whose sum is σ = 229161293312. Its totient is φ = 184147467120.
The previous prime is 206142859409. The next prime is 206142859453. The reversal of 206142859429 is 924958241602.
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 206142859429 - 211 = 206142857381 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 (206142859409) 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, 255759969 + ... + 255760774.
It is an arithmetic number, because the mean of its divisors is an integer number (28645161664).
Almost surely, 2206142859429 is an apocalyptic number.
It is an amenable number.
206142859429 is a deficient number, since it is larger than the sum of its proper divisors (23018433883).
206142859429 is a wasteful number, since it uses less digits than its factorization.
206142859429 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 511520787.
The product of its (nonzero) digits is 2488320, while the sum is 52.
The spelling of 206142859429 in words is "two hundred six billion, one hundred forty-two million, eight hundred fifty-nine thousand, four hundred twenty-nine".
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