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102315103 = 1129437459
BaseRepresentation
bin1100001100100…
…11010001011111
321010112010221021
412012103101133
5202143040403
614052545011
72351443522
oct606232137
9233463837
10102315103
1152832940
122a322167
13182744a7
14d834bb9
158eb08bd
hex619345f

102315103 has 16 divisors (see below), whose sum is σ = 118166400. Its totient is φ = 87706080.

The previous prime is 102315091. The next prime is 102315113. The reversal of 102315103 is 301513201.

It is not a de Polignac number, because 102315103 - 217 = 102184031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102315113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9988 + ... + 17446.

It is an arithmetic number, because the mean of its divisors is an integer number (7385400).

Almost surely, 2102315103 is an apocalyptic number.

102315103 is a deficient number, since it is larger than the sum of its proper divisors (15851297).

102315103 is a wasteful number, since it uses less digits than its factorization.

102315103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7542.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 102315103 is about 10115.0928320011. The cubic root of 102315103 is about 467.7135105262.

Adding to 102315103 its reverse (301513201), we get a palindrome (403828304).

The spelling of 102315103 in words is "one hundred two million, three hundred fifteen thousand, one hundred three".

Divisors: 1 11 29 43 319 473 1247 7459 13717 82049 216311 320737 2379421 3528107 9301373 102315103