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102102000102 = 23217219627451
BaseRepresentation
bin101111100010111000…
…0001110000111100110
3100202112122221000022100
41133011300032013212
53133101103000402
6114523252112530
710243116452454
oct1370560160746
9322478830270
10102102000102
113a334a0a973
1217955905746
13982214aa9b
144d282ab9d4
1529c8a4971c
hex17c5c0e1e6

102102000102 has 36 divisors (see below), whose sum is σ = 234999482796. Its totient is φ = 32031998400.

The previous prime is 102102000089. The next prime is 102102000103. The reversal of 102102000102 is 201000201201.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102000103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9808524 + ... + 9818927.

It is an arithmetic number, because the mean of its divisors is an integer number (6527763411).

Almost surely, 2102102000102 is an apocalyptic number.

102102000102 is an abundant number, since it is smaller than the sum of its proper divisors (132897482694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102102000102 is a wasteful number, since it uses less digits than its factorization.

102102000102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19627493 (or 19627473 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 102102000102 its reverse (201000201201), we get a palindrome (303102201303).

The spelling of 102102000102 in words is "one hundred two billion, one hundred two million, one hundred two", and thus it is an aban number.

Divisors: 1 2 3 6 9 17 18 34 51 102 153 289 306 578 867 1734 2601 5202 19627451 39254902 58882353 117764706 176647059 333666667 353294118 667333334 1001000001 2002000002 3003000003 5672333339 6006000006 11344666678 17017000017 34034000034 51051000051 102102000102