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130304111 = 718614873
BaseRepresentation
bin1111100010001…
…00100001101111
3100002012010122012
413301010201233
5231324212421
620532511435
73141365240
oct761044157
9302163565
10130304111
116760a453
123777b57b
1320cc4032
141343ccc7
15b68d95b
hex7c4486f

130304111 has 4 divisors (see below), whose sum is σ = 148918992. Its totient is φ = 111689232.

The previous prime is 130304093. The next prime is 130304137. The reversal of 130304111 is 111403031.

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

It is a cyclic number.

It is not a de Polignac number, because 130304111 - 226 = 63195247 is a prime.

It is a super-2 number, since 2×1303041112 = 33958322687000642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130304171) 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, 9307430 + ... + 9307443.

It is an arithmetic number, because the mean of its divisors is an integer number (37229748).

Almost surely, 2130304111 is an apocalyptic number.

130304111 is a deficient number, since it is larger than the sum of its proper divisors (18614881).

130304111 is an equidigital number, since it uses as much as digits as its factorization.

130304111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18614880.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 130304111 is about 11415.0826103012. The cubic root of 130304111 is about 506.9744108504.

Adding to 130304111 its reverse (111403031), we get a palindrome (241707142).

The spelling of 130304111 in words is "one hundred thirty million, three hundred four thousand, one hundred eleven".

Divisors: 1 7 18614873 130304111