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130430212 = 221119891753
BaseRepresentation
bin1111100011000…
…11010100000100
3100002102112121121
413301203110010
5231342231322
620535323324
73142432003
oct761432404
9302375547
10130430212
1167696170
1237820544
1321039553
1413472c3a
15b6b5ec7
hex7c63504

130430212 has 48 divisors (see below), whose sum is σ = 265204800. Its totient is φ = 55503360.

The previous prime is 130430149. The next prime is 130430243. The reversal of 130430212 is 212034031.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73528 + ... + 75280.

It is an arithmetic number, because the mean of its divisors is an integer number (5525100).

Almost surely, 2130430212 is an apocalyptic number.

It is an amenable number.

130430212 is an abundant number, since it is smaller than the sum of its proper divisors (134774588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130430212 is a wasteful number, since it uses less digits than its factorization.

130430212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876 (or 1874 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 130430212 is about 11420.6047125360. The cubic root of 130430212 is about 507.1378985771.

Adding to 130430212 its reverse (212034031), we get a palindrome (342464243).

The spelling of 130430212 in words is "one hundred thirty million, four hundred thirty thousand, two hundred twelve".

Divisors: 1 2 4 11 19 22 38 44 76 89 178 209 356 418 836 979 1691 1753 1958 3382 3506 3916 6764 7012 18601 19283 33307 37202 38566 66614 74404 77132 133228 156017 312034 366377 624068 732754 1465508 1716187 2964323 3432374 5928646 6864748 11857292 32607553 65215106 130430212