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1131230300 = 2252311013613
BaseRepresentation
bin100001101101101…
…0011010001011100
32220211121110020112
41003123103101130
54304043332200
6304130105152
740014204344
oct10333232134
92824543215
101131230300
11530606082
12276a1b1b8
13150496955
14aa34bd24
15694a4535
hex436d345c

1131230300 has 72 divisors (see below), whose sum is σ = 2559752832. Its totient is φ = 433440000.

The previous prime is 1131230293. The next prime is 1131230311. The reversal of 1131230300 is 30321311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 311294 + ... + 314906.

Almost surely, 21131230300 is an apocalyptic number.

1131230300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131230300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1279876416).

1131230300 is an abundant number, since it is smaller than the sum of its proper divisors (1428522532).

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

1131230300 is a wasteful number, since it uses less digits than its factorization.

1131230300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3759 (or 3752 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1131230300 is about 33633.7672585157. The cubic root of 1131230300 is about 1041.9583109427.

Adding to 1131230300 its reverse (30321311), we get a palindrome (1161551611).

The spelling of 1131230300 in words is "one billion, one hundred thirty-one million, two hundred thirty thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 31 50 62 100 101 124 155 202 310 404 505 620 775 1010 1550 2020 2525 3100 3131 3613 5050 6262 7226 10100 12524 14452 15655 18065 31310 36130 62620 72260 78275 90325 112003 156550 180650 224006 313100 361300 364913 448012 560015 729826 1120030 1459652 1824565 2240060 2800075 3649130 5600150 7298260 9122825 11200300 11312303 18245650 22624606 36491300 45249212 56561515 113123030 226246060 282807575 565615150 1131230300