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130146502 = 265073251
BaseRepresentation
bin1111100000111…
…10000011000110
3100001220010102211
413300132003012
5231304142002
620525254034
73140140603
oct760360306
9301803384
10130146502
1167511aa2
123770431a
1320c6a385
14133db6aa
15b65bdd7
hex7c1e0c6

130146502 has 4 divisors (see below), whose sum is σ = 195219756. Its totient is φ = 65073250.

The previous prime is 130146491. The next prime is 130146503. The reversal of 130146502 is 205641031.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1301465022 = 33876223965672008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130146503) 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 as a sum of consecutive naturals, namely, 32536624 + ... + 32536627.

It is an arithmetic number, because the mean of its divisors is an integer number (48804939).

Almost surely, 2130146502 is an apocalyptic number.

130146502 is a deficient number, since it is larger than the sum of its proper divisors (65073254).

130146502 is an equidigital number, since it uses as much as digits as its factorization.

130146502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65073253.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 130146502 is about 11408.1769796931. The cubic root of 130146502 is about 506.7699251880.

Adding to 130146502 its reverse (205641031), we get a palindrome (335787533).

The spelling of 130146502 in words is "one hundred thirty million, one hundred forty-six thousand, five hundred two".

Divisors: 1 2 65073251 130146502