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130730090 = 2513073009
BaseRepresentation
bin1111100101011…
…00100001101010
3100002222202222012
413302230201222
5231431330330
620545555522
73145121201
oct762544152
9302882865
10130730090
11678804a7
1237945ba2
1321112baa
1413510238
15b724c95
hex7cac86a

130730090 has 8 divisors (see below), whose sum is σ = 235314180. Its totient is φ = 52292032.

The previous prime is 130730081. The next prime is 130730111. The reversal of 130730090 is 90037031.

It can be written as a sum of positive squares in 2 ways, for example, as 105740089 + 24990001 = 10283^2 + 4999^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6536495 + ... + 6536514.

Almost surely, 2130730090 is an apocalyptic number.

130730090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130730090 is a deficient number, since it is larger than the sum of its proper divisors (104584090).

130730090 is a wasteful number, since it uses less digits than its factorization.

130730090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13073016.

The product of its (nonzero) digits is 567, while the sum is 23.

The square root of 130730090 is about 11433.7259893702. The cubic root of 130730090 is about 507.5262623212.

The spelling of 130730090 in words is "one hundred thirty million, seven hundred thirty thousand, ninety".

Divisors: 1 2 5 10 13073009 26146018 65365045 130730090