Search a number
-
+
130042105 = 5435691063
BaseRepresentation
bin1111100000001…
…00100011111001
3100001200211020021
413300010203321
5231242321410
620523130441
73136224334
oct760044371
9301624207
10130042105
1167450616
1237673a21
1320c319bb
14133b161b
15b63aeda
hex7c048f9

130042105 has 16 divisors (see below), whose sum is σ = 160110720. Its totient is φ = 101340288.

The previous prime is 130042103. The next prime is 130042111. The reversal of 130042105 is 501240031.

It is a cyclic number.

It is not a de Polignac number, because 130042105 - 21 = 130042103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130042103) 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 15 ways as a sum of consecutive naturals, for example, 121804 + ... + 122866.

It is an arithmetic number, because the mean of its divisors is an integer number (10006920).

Almost surely, 2130042105 is an apocalyptic number.

It is an amenable number.

130042105 is a deficient number, since it is larger than the sum of its proper divisors (30068615).

130042105 is a wasteful number, since it uses less digits than its factorization.

130042105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 130042105 is about 11403.6005279035. The cubic root of 130042105 is about 506.6343871306.

Adding to 130042105 its reverse (501240031), we get a palindrome (631282136).

The spelling of 130042105 in words is "one hundred thirty million, forty-two thousand, one hundred five".

Divisors: 1 5 43 215 569 1063 2845 5315 24467 45709 122335 228545 604847 3024235 26008421 130042105