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102143643093 = 3220115643607
BaseRepresentation
bin101111100100000111…
…1000100110111010101
3100202122120021200202100
41133020033010313111
53133142233034333
6114531340432313
710244133432552
oct1371017046725
9322576250670
10102143643093
113a356472968
1217967848699
13982a96b3cb
144d2da2ba29
1529cc523213
hex17c83c4dd5

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".

Divisors: 1 3 9 2011 6033 18099 5643607 16930821 50792463 11349293677 34047881031 102143643093