Search a number
-
+
3012019200 = 210325217769
BaseRepresentation
bin1011001110000111…
…1100010000000000
321202220122102120200
42303201330100000
522132034103300
61214514005200
7134432512041
oct26341742000
97686572520
103012019200
11130622a673
12700876800
133900321a8
142080548c8
1512966a200
hexb387c400

3012019200 has 396 divisors, whose sum is σ = 11433682260. Its totient is φ = 754974720.

The previous prime is 3012019187. The next prime is 3012019243. The reversal of 3012019200 is 29102103.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 7225344 + 3004793856 = 2688^2 + 54816^2 .

It is a super-2 number, since 2×30120192002 = 18144519322337280000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3916416 + ... + 3917184.

It is an arithmetic number, because the mean of its divisors is an integer number (28872935).

Almost surely, 23012019200 is an apocalyptic number.

3012019200 is a gapful number since it is divisible by the number (30) 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 3012019200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5716841130).

3012019200 is an abundant number, since it is smaller than the sum of its proper divisors (8421663060).

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

3012019200 is a wasteful number, since it uses less digits than its factorization.

3012019200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 3012019200 is about 54881.8658574943. The cubic root of 3012019200 is about 1444.1730800329.

The spelling of 3012019200 in words is "three billion, twelve million, nineteen thousand, two hundred".