Search a number
-
+
1200113333220 = 22351072236071381
BaseRepresentation
bin10001011101101100010…
…101000011001111100100
311020201200221222000221010
4101131230111003033210
5124130313003130340
62315154025422220
7152463633006414
oct21355425031744
94221627860833
101200113333220
11422a6876500a
1217470b63a970
1389229c19299
144212b5ca644
152133eb25b80
hex1176c5433e4

1200113333220 has 192 divisors, whose sum is σ = 3415015489536. Its totient is φ = 314869455360.

The previous prime is 1200113333213. The next prime is 1200113333267. The reversal of 1200113333220 is 223333110021.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 869016930 + ... + 869018310.

It is an arithmetic number, because the mean of its divisors is an integer number (17786539008).

Almost surely, 21200113333220 is an apocalyptic number.

1200113333220 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 1200113333220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1707507744768).

1200113333220 is an abundant number, since it is smaller than the sum of its proper divisors (2214902156316).

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

1200113333220 is a wasteful number, since it uses less digits than its factorization.

1200113333220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330 (or 2328 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1200113333220 its reverse (223333110021), we get a palindrome (1423446443241).

The spelling of 1200113333220 in words is "one trillion, two hundred billion, one hundred thirteen million, three hundred thirty-three thousand, two hundred twenty".