Search a number
-
+
1320230122200 = 23325211471418687
BaseRepresentation
bin10011001101100011110…
…110001111001011011000
311200012202002220010210100
4103031203312033023120
5133112312402402300
62450301053215400
7164245350610443
oct23154366171330
94605662803710
101320230122200
114699a7538450
12193a52491560
1397660374b52
1447c8425465a
152451ee9a700
hex13363d8f2d8

1320230122200 has 288 divisors, whose sum is σ = 4939758120960. Its totient is φ = 313245868800.

The previous prime is 1320230122193. The next prime is 1320230122279. The reversal of 1320230122200 is 22210320231.

1320230122200 is a `hidden beast` number, since 1 + 320 + 2 + 301 + 22 + 20 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 221257 + ... + 1639943.

It is an arithmetic number, because the mean of its divisors is an integer number (17151937920).

Almost surely, 21320230122200 is an apocalyptic number.

1320230122200 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 1320230122200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2469879060480).

1320230122200 is an abundant number, since it is smaller than the sum of its proper divisors (3619527998760).

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

1320230122200 is a wasteful number, since it uses less digits than its factorization.

1320230122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418767 (or 1418755 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1320230122200 its reverse (22210320231), we get a palindrome (1342440442431).

The spelling of 1320230122200 in words is "one trillion, three hundred twenty billion, two hundred thirty million, one hundred twenty-two thousand, two hundred".