Search a number
-
+
1343205523872 = 253379132114897
BaseRepresentation
bin10011100010111101010…
…010011100000110100000
311202102001022011110211000
4103202331102130012200
5134001341103230442
62505020551552000
7166020612400002
oct23427522340640
94672038143730
101343205523872
11478717556813
121983a498b600
1399882300894
144902377c372
1524e1704bd4c
hex138bd49c1a0

1343205523872 has 192 divisors, whose sum is σ = 3970543449600. Its totient is φ = 441703342080.

The previous prime is 1343205523867. The next prime is 1343205523879. The reversal of 1343205523872 is 2783255023431.

It is a happy number.

1343205523872 is a `hidden beast` number, since 1 + 3 + 4 + 3 + 20 + 552 + 3 + 8 + 72 = 666.

It is not an unprimeable number, because it can be changed into a prime (1343205523879) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90158728 + ... + 90173624.

It is an arithmetic number, because the mean of its divisors is an integer number (20679913800).

Almost surely, 21343205523872 is an apocalyptic number.

1343205523872 is a gapful number since it is divisible by the number (12) 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 1343205523872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1985271724800).

1343205523872 is an abundant number, since it is smaller than the sum of its proper divisors (2627337925728).

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

1343205523872 is a wasteful number, since it uses less digits than its factorization.

1343205523872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16316 (or 16302 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 1343205523872 in words is "one trillion, three hundred forty-three billion, two hundred five million, five hundred twenty-three thousand, eight hundred seventy-two".