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130205402 = 2103962659
BaseRepresentation
bin1111100001011…
…00011011011010
3100002000010020022
413300230123122
5231313033102
620530430442
73140504405
oct760543332
9302003208
10130205402
1167552278
1237732422
1320c8b122
1413414d3c
15b66e5a2
hex7c2c6da

130205402 has 8 divisors (see below), whose sum is σ = 195499200. Its totient is φ = 65039004.

The previous prime is 130205393. The next prime is 130205407. The reversal of 130205402 is 204502031.

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

It is not an unprimeable number, because it can be changed into a prime (130205407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29252 + ... + 33407.

It is an arithmetic number, because the mean of its divisors is an integer number (24437400).

Almost surely, 2130205402 is an apocalyptic number.

130205402 is a deficient number, since it is larger than the sum of its proper divisors (65293798).

130205402 is a wasteful number, since it uses less digits than its factorization.

130205402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63700.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 130205402 is about 11410.7581693768. The cubic root of 130205402 is about 506.8463627575.

Adding to 130205402 its reverse (204502031), we get a palindrome (334707433).

The spelling of 130205402 in words is "one hundred thirty million, two hundred five thousand, four hundred two".

Divisors: 1 2 1039 2078 62659 125318 65102701 130205402