Search a number
-
+
13023120200 = 235280980489
BaseRepresentation
bin11000010000011110…
…10000101101001000
31020121121022001102012
430020033100231020
5203132404321300
65552134355052
7640503460316
oct141017205510
936547261365
1013023120200
115583236a62
1226354bba88
1312c71083ac
148b78670b6
155134bc435
hex3083d0b48

13023120200 has 48 divisors (see below), whose sum is σ = 30316558500. Its totient is φ = 5202744320.

The previous prime is 13023120199. The next prime is 13023120233. The reversal of 13023120200 is 202132031.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 11148403396 + 1874716804 = 105586^2 + 43298^2 .

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 11 ways as a sum of consecutive naturals, for example, 121556 + ... + 202044.

Almost surely, 213023120200 is an apocalyptic number.

13023120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13023120200 is an abundant number, since it is smaller than the sum of its proper divisors (17293438300).

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

13023120200 is a wasteful number, since it uses less digits than its factorization.

13023120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81314 (or 81305 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 13023120200 its reverse (202132031), we get a palindrome (13225252231).

The spelling of 13023120200 in words is "thirteen billion, twenty-three million, one hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 809 1618 3236 4045 6472 8090 16180 20225 32360 40450 80489 80900 160978 161800 321956 402445 643912 804890 1609780 2012225 3219560 4024450 8048900 16097800 65115601 130231202 260462404 325578005 520924808 651156010 1302312020 1627890025 2604624040 3255780050 6511560100 13023120200