Search a number
-
+
12830285300 = 2252718328979
BaseRepresentation
bin10111111001011111…
…01001110111110100
31020010011110000122212
423330233221313310
5202234023112200
65521045312552
7632642424410
oct137457516764
936104400585
1012830285300
1154943a8278
1225a0a05758
13129618c4c1
14899dcbd40
155015cb035
hex2fcbe9df4

12830285300 has 36 divisors (see below), whose sum is σ = 31819109280. Its totient is φ = 4398954720.

The previous prime is 12830285291. The next prime is 12830285323. The reversal of 12830285300 is 358203821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9163790 + ... + 9165189.

Almost surely, 212830285300 is an apocalyptic number.

12830285300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12830285300 is an abundant number, since it is smaller than the sum of its proper divisors (18988823980).

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

12830285300 is a wasteful number, since it uses less digits than its factorization.

12830285300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18329000 (or 18328993 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 12830285300 in words is "twelve billion, eight hundred thirty million, two hundred eighty-five thousand, three hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 18328979 36657958 73315916 91644895 128302853 183289790 256605706 366579580 458224475 513211412 641514265 916448950 1283028530 1832897900 2566057060 3207571325 6415142650 12830285300