Search a number
-
+
130643255 = 51071132161
BaseRepresentation
bin1111100100101…
…11010100110111
3100002211100212002
413302113110313
5231421041010
620544045515
73144310061
oct762272467
9302740762
10130643255
1167821236
123790389b
13210b2502
14134ca731
15b7091a5
hex7c97537

130643255 has 16 divisors (see below), whose sum is σ = 159711264. Its totient is φ = 102574080.

The previous prime is 130643239. The next prime is 130643291. The reversal of 130643255 is 552346031.

It is not a de Polignac number, because 130643255 - 24 = 130643239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59375 + ... + 61535.

It is an arithmetic number, because the mean of its divisors is an integer number (9981954).

Almost surely, 2130643255 is an apocalyptic number.

130643255 is a deficient number, since it is larger than the sum of its proper divisors (29068009).

130643255 is a wasteful number, since it uses less digits than its factorization.

130643255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 130643255 is about 11429.9280400184. The cubic root of 130643255 is about 507.4138658449.

Adding to 130643255 its reverse (552346031), we get a palindrome (682989286).

The spelling of 130643255 in words is "one hundred thirty million, six hundred forty-three thousand, two hundred fifty-five".

Divisors: 1 5 107 113 535 565 2161 10805 12091 60455 231227 244193 1156135 1220965 26128651 130643255