Base | Representation |
---|---|
bin | 101111100100000111… |
… | …1000100110111010101 |
3 | 100202122120021200202100 |
4 | 1133020033010313111 |
5 | 3133142233034333 |
6 | 114531340432313 |
7 | 10244133432552 |
oct | 1371017046725 |
9 | 322576250670 |
10 | 102143643093 |
11 | 3a356472968 |
12 | 17967848699 |
13 | 982a96b3cb |
14 | 4d2da2ba29 |
15 | 29cc523213 |
hex | 17c83c4dd5 |
102143643093 has 12 divisors (see below), whose sum is σ = 147614210848. Its totient is φ = 68061888360.
The previous prime is 102143643079. The next prime is 102143643101. The reversal of 102143643093 is 390346341201.
102143643093 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 4 + 3 + 643 + 0 + 9 + 3 = 666.
It is not a de Polignac number, because 102143643093 - 25 = 102143643061 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 (102143643493) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2803705 + ... + 2839902.
Almost surely, 2102143643093 is an apocalyptic number.
It is an amenable number.
102143643093 is a deficient number, since it is larger than the sum of its proper divisors (45470567755).
102143643093 is a wasteful number, since it uses less digits than its factorization.
102143643093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5645624 (or 5645621 counting only the distinct ones).
The product of its (nonzero) digits is 46656, while the sum is 36.
Adding to 102143643093 its reverse (390346341201), we get a palindrome (492489984294).
The spelling of 102143643093 in words is "one hundred two billion, one hundred forty-three million, six hundred forty-three thousand, ninety-three".
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