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102818102 = 2103499117
BaseRepresentation
bin1100010000011…
…10000100110110
321011110200220212
412020032010312
5202310134402
614111425422
72355640142
oct610160466
9234420825
10102818102
1153046842
122a525272
13183bc41a
14d926222
15905e952
hex620e136

102818102 has 8 divisors (see below), whose sum is σ = 155724816. Its totient is φ = 50909832.

The previous prime is 102818087. The next prime is 102818113. The reversal of 102818102 is 201818201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249353 + ... + 249764.

It is an arithmetic number, because the mean of its divisors is an integer number (19465602).

Almost surely, 2102818102 is an apocalyptic number.

102818102 is a deficient number, since it is larger than the sum of its proper divisors (52906714).

102818102 is a wasteful number, since it uses less digits than its factorization.

102818102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499222.

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 102818102 is about 10139.9261338532. The cubic root of 102818102 is about 468.4787118346.

Subtracting 102818102 from its reverse (201818201), we obtain a palindrome (99000099).

The spelling of 102818102 in words is "one hundred two million, eight hundred eighteen thousand, one hundred two".

Divisors: 1 2 103 206 499117 998234 51409051 102818102