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102030130 = 2510203013
BaseRepresentation
bin1100001010011…
…01101100110010
321002222200000201
412011031230302
5202104431010
614042505414
72346145636
oct605155462
9232880021
10102030130
1152658824
122a20526a
13181a4877
14d79cdc6
158e5623a
hex614db32

102030130 has 8 divisors (see below), whose sum is σ = 183654252. Its totient is φ = 40812048.

The previous prime is 102030121. The next prime is 102030143. The reversal of 102030130 is 31030201.

It can be written as a sum of positive squares in 2 ways, for example, as 96255721 + 5774409 = 9811^2 + 2403^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 10203013 = 102030130 / (1 + 0 + 2 + 0 + 3 + 0 + 1 + 3 + 0).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5101497 + ... + 5101516.

Almost surely, 2102030130 is an apocalyptic number.

102030130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102030130 is a deficient number, since it is larger than the sum of its proper divisors (81624122).

102030130 is a wasteful number, since it uses less digits than its factorization.

102030130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10203020.

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

The square root of 102030130 is about 10100.9964854959. The cubic root of 102030130 is about 467.2788739484.

Adding to 102030130 its reverse (31030201), we get a palindrome (133060331).

The spelling of 102030130 in words is "one hundred two million, thirty thousand, one hundred thirty".

Divisors: 1 2 5 10 10203013 20406026 51015065 102030130