Search a number
-
+
130511054 = 2319412237
BaseRepresentation
bin1111100011101…
…11000011001110
3100002120122111202
413301313003032
5231402323204
620541145502
73143216462
oct761670316
9302518452
10130511054
1167740983
123785b292
132106729b
14134944a2
15b6cee1e
hex7c770ce

130511054 has 16 divisors (see below), whose sum is σ = 202386816. Its totient is φ = 63055200.

The previous prime is 130511047. The next prime is 130511071. The reversal of 130511054 is 450115031.

130511054 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57224 + ... + 59460.

It is an arithmetic number, because the mean of its divisors is an integer number (12649176).

Almost surely, 2130511054 is an apocalyptic number.

130511054 is a deficient number, since it is larger than the sum of its proper divisors (71875762).

130511054 is a wasteful number, since it uses less digits than its factorization.

130511054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 130511054 is about 11424.1434689871. The cubic root of 130511054 is about 507.2426533828.

Adding to 130511054 its reverse (450115031), we get a palindrome (580626085).

The spelling of 130511054 in words is "one hundred thirty million, five hundred eleven thousand, fifty-four".

Divisors: 1 2 31 62 941 1882 2237 4474 29171 58342 69347 138694 2105017 4210034 65255527 130511054