Search a number
-
+
130108105 = 5191369559
BaseRepresentation
bin1111100000101…
…00101011001001
3100001211011202201
413300110223021
5231301424410
620524400201
73136620631
oct760245311
9301734681
10130108105
1167496166
12376a6061
1320c55a5a
14133cb6c1
15b65083a
hex7c14ac9

130108105 has 8 divisors (see below), whose sum is σ = 164347200. Its totient is φ = 98608176.

The previous prime is 130108103. The next prime is 130108127. The reversal of 130108105 is 501801031.

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

It is not a de Polignac number, because 130108105 - 21 = 130108103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (130108103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684685 + ... + 684874.

It is an arithmetic number, because the mean of its divisors is an integer number (20543400).

Almost surely, 2130108105 is an apocalyptic number.

It is an amenable number.

130108105 is a deficient number, since it is larger than the sum of its proper divisors (34239095).

130108105 is a wasteful number, since it uses less digits than its factorization.

130108105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369583.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 130108105 is about 11406.4939836919. The cubic root of 130108105 is about 506.7200830013.

Adding to 130108105 its reverse (501801031), we get a palindrome (631909136).

It can be divided in two parts, 13010 and 8105, that added together give a triangular number (21115 = T205).

The spelling of 130108105 in words is "one hundred thirty million, one hundred eight thousand, one hundred five".

Divisors: 1 5 19 95 1369559 6847795 26021621 130108105