Search a number
-
+
130012328 = 23171576089
BaseRepresentation
bin1111011111111…
…01010010101000
3100001122022101102
413233331102220
5231240343303
620522340532
73136041455
oct757752250
9301568342
10130012328
1167430206
123765a748
1320c21294
14133a482c
15b632288
hex7bfd4a8

130012328 has 32 divisors (see below), whose sum is σ = 259799400. Its totient is φ = 60782592.

The previous prime is 130012303. The next prime is 130012373. The reversal of 130012328 is 823210031.

It can be written as a sum of positive squares in 4 ways, for example, as 100440484 + 29571844 = 10022^2 + 5438^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18308 + ... + 24396.

Almost surely, 2130012328 is an apocalyptic number.

It is an amenable number.

130012328 is a deficient number, since it is larger than the sum of its proper divisors (129787072).

130012328 is a wasteful number, since it uses less digits than its factorization.

130012328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6269 (or 6265 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 130012328 is about 11402.2948567383. The cubic root of 130012328 is about 506.5957145182.

Adding to 130012328 its reverse (823210031), we get a palindrome (953222359).

The spelling of 130012328 in words is "one hundred thirty million, twelve thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 17 34 68 136 157 314 628 1256 2669 5338 6089 10676 12178 21352 24356 48712 103513 207026 414052 828104 955973 1911946 3823892 7647784 16251541 32503082 65006164 130012328