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102103005 = 3518137607
BaseRepresentation
bin1100001010111…
…11011111011101
321010010100222210
412011133133131
5202114244010
614044231033
72346601254
oct605373735
9233110883
10102103005
11526a8554
122a23b479
13181cbaa4
14d7bb79b
158e6cb20
hex615f7dd

102103005 has 16 divisors (see below), whose sum is σ = 164271744. Its totient is φ = 54152640.

The previous prime is 102102977. The next prime is 102103007. The reversal of 102103005 is 500301201.

It is not a de Polignac number, because 102103005 - 215 = 102070237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102103007) 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, 16089 + ... + 21518.

It is an arithmetic number, because the mean of its divisors is an integer number (10266984).

Almost surely, 2102103005 is an apocalyptic number.

102103005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102103005 is a deficient number, since it is larger than the sum of its proper divisors (62168739).

102103005 is a wasteful number, since it uses less digits than its factorization.

102103005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37796.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 102103005 is about 10104.6031589568. The cubic root of 102103005 is about 467.3900987527.

Adding to 102103005 its reverse (500301201), we get a palindrome (602404206).

The spelling of 102103005 in words is "one hundred two million, one hundred three thousand, five".

Divisors: 1 3 5 15 181 543 905 2715 37607 112821 188035 564105 6806867 20420601 34034335 102103005