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102130300 = 22521021303
BaseRepresentation
bin1100001011001…
…10001001111100
321010011202102201
412011212021330
5202121132200
614045001244
72350043656
oct605461174
9233152381
10102130300
1152717008
122a253224
131820b33c
14d7c76d6
158e75c6a
hex616627c

102130300 has 18 divisors (see below), whose sum is σ = 221622968. Its totient is φ = 40852080.

The previous prime is 102130297. The next prime is 102130307. The reversal of 102130300 is 3031201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102130307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 510552 + ... + 510751.

Almost surely, 2102130300 is an apocalyptic number.

102130300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102130300 is an abundant number, since it is smaller than the sum of its proper divisors (119492668).

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

102130300 is a wasteful number, since it uses less digits than its factorization.

102130300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021317 (or 1021310 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 102130300 is about 10105.9536907706. The cubic root of 102130300 is about 467.4317438740.

Adding to 102130300 its reverse (3031201), we get a palindrome (105161501).

Subtracting from 102130300 its reverse (3031201), we obtain a palindrome (99099099).

The spelling of 102130300 in words is "one hundred two million, one hundred thirty thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1021303 2042606 4085212 5106515 10213030 20426060 25532575 51065150 102130300