Search a number
-
+
12186090000 = 243254723292
BaseRepresentation
bin10110101100101100…
…01111101000010000
31011110021021111211200
423112112033220100
5144424114340000
65333114111200
7610661025120
oct132626175020
934407244750
1012186090000
115193803867
12244111b500
1311c288b656
1483861cc80
154b4c7d500
hex2d658fa10

12186090000 has 900 divisors, whose sum is σ = 52635101376. Its totient is φ = 2572416000.

The previous prime is 12186089917. The next prime is 12186090053. The reversal of 12186090000 is 9068121.

It is a tau number, because it is divible by the number of its divisors (900).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 420209986 + ... + 420210014.

Almost surely, 212186090000 is an apocalyptic number.

12186090000 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 12186090000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26317550688).

12186090000 is an abundant number, since it is smaller than the sum of its proper divisors (40449011376).

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

12186090000 is a wasteful number, since it uses less digits than its factorization.

12186090000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 12186090000 in words is "twelve billion, one hundred eighty-six million, ninety thousand".