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130347146 = 265173573
BaseRepresentation
bin1111100010011…
…11000010001010
3100002021022200002
413301033002022
5231332102041
620533443002
73141634556
oct761170212
9302238602
10130347146
1167639816
12377a0462
132100a7b7
1413450866
15b69b59b
hex7c4f08a

130347146 has 4 divisors (see below), whose sum is σ = 195520722. Its totient is φ = 65173572.

The previous prime is 130347127. The next prime is 130347167. The reversal of 130347146 is 641743031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 641743031 = 1933775949.

It can be written as a sum of positive squares in only one way, i.e., 71656225 + 58690921 = 8465^2 + 7661^2 .

It is a Curzon number.

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 as a sum of consecutive naturals, namely, 32586785 + ... + 32586788.

Almost surely, 2130347146 is an apocalyptic number.

130347146 is a deficient number, since it is larger than the sum of its proper divisors (65173576).

130347146 is an equidigital number, since it uses as much as digits as its factorization.

130347146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65173575.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 130347146 is about 11416.9674607577. The cubic root of 130347146 is about 507.0302168215.

The spelling of 130347146 in words is "one hundred thirty million, three hundred forty-seven thousand, one hundred forty-six".

Divisors: 1 2 65173573 130347146