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102102103103 = 71113419243437
BaseRepresentation
bin101111100010111000…
…0100111010000111111
3100202112200010020121012
41133011300213100333
53133101114244403
6114523254225435
710243120361660
oct1370560472077
9322480106535
10102102103103
113a334a802a0
121795595527b
139822185930
144d282d7367
1529c8a69ed8
hex17c5c2743f

102102103103 has 32 divisors (see below), whose sum is σ = 137415882240. Its totient is φ = 73264498560.

The previous prime is 102102103013. The next prime is 102102103123. The reversal of 102102103103 is 301301201201.

It is not a de Polignac number, because 102102103103 - 224 = 102085325887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102103123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 297701 + ... + 541137.

It is an arithmetic number, because the mean of its divisors is an integer number (4294246320).

Almost surely, 2102102103103 is an apocalyptic number.

102102103103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102102103103 is a deficient number, since it is larger than the sum of its proper divisors (35313779137).

102102103103 is a wasteful number, since it uses less digits than its factorization.

102102103103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243887.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 102102103103 its reverse (301301201201), we get a palindrome (403403304304).

The spelling of 102102103103 in words is "one hundred two billion, one hundred two million, one hundred three thousand, one hundred three".

Divisors: 1 7 11 13 77 91 143 419 1001 2933 4609 5447 32263 38129 59917 243437 419419 1704059 2677807 3164681 18744649 22152767 34811491 102000103 243680437 714000721 1122001133 1326001339 7854007931 9282009373 14586014729 102102103103