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102142434103 = 107069953987
BaseRepresentation
bin101111100100000101…
…0011101101100110111
3100202122111000021022221
41133020022131230313
53133141430342403
6114531254503211
710244120236033
oct1371012355467
9322574007287
10102142434103
113a3558175a6
1217967364b07
13982a637028
144d2d7d51c3
1529cc384dbd
hex17c829db37

102142434103 has 4 divisors (see below), whose sum is σ = 102143495160. Its totient is φ = 102141373048.

The previous prime is 102142434101. The next prime is 102142434133. The reversal of 102142434103 is 301434241201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 301434241201 = 1717731425953.

It is a cyclic number.

It is not a de Polignac number, because 102142434103 - 21 = 102142434101 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 (102142434101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369925 + ... + 584062.

It is an arithmetic number, because the mean of its divisors is an integer number (25535873790).

Almost surely, 2102142434103 is an apocalyptic number.

102142434103 is a deficient number, since it is larger than the sum of its proper divisors (1061057).

102142434103 is an equidigital number, since it uses as much as digits as its factorization.

102142434103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061056.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 102142434103 its reverse (301434241201), we get a palindrome (403576675304).

The spelling of 102142434103 in words is "one hundred two billion, one hundred forty-two million, four hundred thirty-four thousand, one hundred three".

Divisors: 1 107069 953987 102142434103