Search a number
-
+
130209218 = 2281443523
BaseRepresentation
bin1111100001011…
…01010111000010
3100002000022110122
413300231113002
5231313143333
620530500242
73140521466
oct760552702
9302008418
10130209218
1167555127
1237734682
1320c8ca99
14134164a6
15b670798
hex7c2d5c2

130209218 has 16 divisors (see below), whose sum is σ = 196826976. Its totient is φ = 64602720.

The previous prime is 130209199. The next prime is 130209227. The reversal of 130209218 is 812902031.

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, 248705 + ... + 249227.

It is an arithmetic number, because the mean of its divisors is an integer number (12301686).

Almost surely, 2130209218 is an apocalyptic number.

130209218 is a deficient number, since it is larger than the sum of its proper divisors (66617758).

130209218 is a wasteful number, since it uses less digits than its factorization.

130209218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 130209218 is about 11410.9253787763. The cubic root of 130209218 is about 506.8513141824.

The spelling of 130209218 in words is "one hundred thirty million, two hundred nine thousand, two hundred eighteen".

Divisors: 1 2 281 443 523 562 886 1046 124483 146963 231689 248966 293926 463378 65104609 130209218