Search a number
-
+
18223141147200 = 263552117335813
BaseRepresentation
bin1000010010010111001111…
…10110101101001001000000
32101112010010001001102100000
410021023213312231021000
54342031443113202300
6102431332342200000
73560402265666153
oct411134766551100
971463101042300
1018223141147200
1158964331128a0
122063925123000
13a2258644a252
1447000cdddc9a
1521905bc1dc00
hex1092e7dad240

18223141147200 has 1008 divisors, whose sum is σ = 73386999556416. Its totient is φ = 4410945331200.

The previous prime is 18223141147193. The next prime is 18223141147213. The reversal of 18223141147200 is 274114132281.

18223141147200 is a `hidden beast` number, since 1 + 8 + 2 + 2 + 31 + 411 + 4 + 7 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3134891494 + ... + 3134897306.

It is an arithmetic number, because the mean of its divisors is an integer number (72804563052).

Almost surely, 218223141147200 is an apocalyptic number.

18223141147200 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 18223141147200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36693499778208).

18223141147200 is an abundant number, since it is smaller than the sum of its proper divisors (55163858409216).

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

18223141147200 is a wasteful number, since it uses less digits than its factorization.

18223141147200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6594 (or 6567 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

Adding to 18223141147200 its reverse (274114132281), we get a palindrome (18497255279481).

The spelling of 18223141147200 in words is "eighteen trillion, two hundred twenty-three billion, one hundred forty-one million, one hundred forty-seven thousand, two hundred".