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130205501 = 731998963
BaseRepresentation
bin1111100001011…
…00011100111101
3100002000010100222
413300230130331
5231313034001
620530431125
73140504606
oct760543475
9302003328
10130205501
1167552358
12377324a5
1320c8b19a
1413414dad
15b66e61b
hex7c2c73d

130205501 has 8 divisors (see below), whose sum is σ = 132667200. Its totient is φ = 127762272.

The previous prime is 130205483. The next prime is 130205513. The reversal of 130205501 is 105502031.

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

It is a cyclic number.

It is not a de Polignac number, because 130205501 - 214 = 130189117 is a prime.

It is a super-2 number, since 2×1302055012 = 33906944981322002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 130205501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130205521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10046 + ... + 19008.

It is an arithmetic number, because the mean of its divisors is an integer number (16583400).

Almost surely, 2130205501 is an apocalyptic number.

It is an amenable number.

130205501 is a deficient number, since it is larger than the sum of its proper divisors (2461699).

130205501 is an equidigital number, since it uses as much as digits as its factorization.

130205501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9235.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 130205501 is about 11410.7625073875. The cubic root of 130205501 is about 506.8464912155.

Adding to 130205501 its reverse (105502031), we get a palindrome (235707532).

The spelling of 130205501 in words is "one hundred thirty million, two hundred five thousand, five hundred one".

Divisors: 1 73 199 8963 14527 654299 1783637 130205501