Base | Representation |
---|---|
bin | 10011000001101111… |
… | …110101100101000110 |
3 | 1221201211102110122201 |
4 | 103001233311211012 |
5 | 313320141141402 |
6 | 13215142345114 |
7 | 1322166431452 |
oct | 230157654506 |
9 | 57654373581 |
10 | 20430412102 |
11 | 8734487001 |
12 | 3b6212b19a |
13 | 1c07906959 |
14 | dbb525662 |
15 | 7e893a687 |
hex | 4c1bf5946 |
20430412102 has 8 divisors (see below), whose sum is σ = 30648461616. Its totient is φ = 10214258232.
The previous prime is 20430412087. The next prime is 20430412111. The reversal of 20430412102 is 20121403402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 20430412102.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446653 + ... + 490264.
It is an arithmetic number, because the mean of its divisors is an integer number (3831057702).
Almost surely, 220430412102 is an apocalyptic number.
20430412102 is a deficient number, since it is larger than the sum of its proper divisors (10218049514).
20430412102 is a wasteful number, since it uses less digits than its factorization.
20430412102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 947822.
The product of its (nonzero) digits is 384, while the sum is 19.
Adding to 20430412102 its reverse (20121403402), we get a palindrome (40551815504).
The spelling of 20430412102 in words is "twenty billion, four hundred thirty million, four hundred twelve thousand, one hundred two".
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