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20000130324 = 2237322831199
BaseRepresentation
bin10010101000000110…
…011100010100010100
31220121211202220000120
4102220012130110110
5311430013132244
613104332111540
71305423205566
oct225006342424
956554686016
1020000130324
118533608a29
123a620055b0
131b69722055
14d7a31b336
157c0c94819
hex4a819c514

20000130324 has 24 divisors (see below), whose sum is σ = 47306246400. Its totient is φ = 6575385024.

The previous prime is 20000130317. The next prime is 20000130347. The reversal of 20000130324 is 42303100002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11414724 + ... + 11416475.

It is an arithmetic number, because the mean of its divisors is an integer number (1971093600).

Almost surely, 220000130324 is an apocalyptic number.

It is an amenable number.

20000130324 is an abundant number, since it is smaller than the sum of its proper divisors (27306116076).

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

20000130324 is a wasteful number, since it uses less digits than its factorization.

20000130324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22831279 (or 22831277 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20000130324 its reverse (42303100002), we get a palindrome (62303230326).

The spelling of 20000130324 in words is "twenty billion, one hundred thirty thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 22831199 45662398 68493597 91324796 136987194 273974388 1666677527 3333355054 5000032581 6666710108 10000065162 20000130324