Search a number
-
+
130012503 = 3211205391
BaseRepresentation
bin1111011111111…
…01010101010111
3100001122022121220
413233331111113
5231240400003
620522341423
73136042125
oct757752527
9301568556
10130012503
1167430355
123765a873
1320c2139a
14133a4915
15b632353
hex7bfd557

130012503 has 8 divisors (see below), whose sum is σ = 174172416. Its totient is φ = 86263800.

The previous prime is 130012469. The next prime is 130012513. The reversal of 130012503 is 305210031.

It is a happy number.

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

It is not a de Polignac number, because 130012503 - 26 = 130012439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130012513) 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, 102063 + ... + 103328.

It is an arithmetic number, because the mean of its divisors is an integer number (21771552).

Almost surely, 2130012503 is an apocalyptic number.

130012503 is a deficient number, since it is larger than the sum of its proper divisors (44159913).

130012503 is a wasteful number, since it uses less digits than its factorization.

130012503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205605.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 130012503 is about 11402.3025306295. The cubic root of 130012503 is about 506.5959418151.

Adding to 130012503 its reverse (305210031), we get a palindrome (435222534).

The spelling of 130012503 in words is "one hundred thirty million, twelve thousand, five hundred three".

Divisors: 1 3 211 633 205391 616173 43337501 130012503