Search a number
-
+
130043015 = 526008603
BaseRepresentation
bin1111100000001…
…00110010000111
3100001200212110222
413300010302013
5231242334030
620523134555
73136230104
oct760046207
9301625428
10130043015
1167451273
123767445b
1320c3223b
14133b1aab
15b63b3e5
hex7c04c87

130043015 has 4 divisors (see below), whose sum is σ = 156051624. Its totient is φ = 104034408.

The previous prime is 130043009. The next prime is 130043027. The reversal of 130043015 is 510340031.

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 130043015 - 26 = 130042951 is a prime.

It is a super-3 number, since 3×1300430153 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130042984 and 130043002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13004297 + ... + 13004306.

It is an arithmetic number, because the mean of its divisors is an integer number (39012906).

Almost surely, 2130043015 is an apocalyptic number.

130043015 is a deficient number, since it is larger than the sum of its proper divisors (26008609).

130043015 is an equidigital number, since it uses as much as digits as its factorization.

130043015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26008608.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 130043015 is about 11403.6404275126. The cubic root of 130043015 is about 506.6355688920.

Adding to 130043015 its reverse (510340031), we get a palindrome (640383046).

The spelling of 130043015 in words is "one hundred thirty million, forty-three thousand, fifteen".

Divisors: 1 5 26008603 130043015