Search a number
-
+
12185950200 = 233521719227277
BaseRepresentation
bin10110101100101011…
…01101011111111000
31011110021000102001220
423112111231133320
5144424100401300
65333111112040
7610656603414
oct132625553770
934407012056
1012185950200
115193718826
122441072620
1311c283cb28
148385c3d44
154b4c51da0
hex2d656d7f8

12185950200 has 384 divisors, whose sum is σ = 42441926400. Its totient is φ = 2874286080.

The previous prime is 12185950199. The next prime is 12185950201. The reversal of 12185950200 is 205958121.

It is an interprime number because it is at equal distance from previous prime (12185950199) and next prime (12185950201).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12185950201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 43992462 + ... + 43992738.

It is an arithmetic number, because the mean of its divisors is an integer number (110525850).

Almost surely, 212185950200 is an apocalyptic number.

12185950200 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 12185950200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21220963200).

12185950200 is an abundant number, since it is smaller than the sum of its proper divisors (30255976200).

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

12185950200 is a wasteful number, since it uses less digits than its factorization.

12185950200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 33.

The spelling of 12185950200 in words is "twelve billion, one hundred eighty-five million, nine hundred fifty thousand, two hundred".