Search a number
-
+
3120011010000 = 243254223715497
BaseRepresentation
bin101101011001101111001…
…001011101111111010000
3102001021021221011020211100
4231121233021131333100
5402104240304310000
610345151355544400
7441261532003443
oct55315711357720
912037257136740
103120011010000
11aa3209970875
1242481945b100
131982a60a0761
14ab01b8a765a
155625a671a00
hex2d66f25dfd0

3120011010000 has 300 divisors, whose sum is σ = 10916711137332. Its totient is φ = 831577344000.

The previous prime is 3120011009993. The next prime is 3120011010133. The reversal of 3120011010000 is 101100213.

It can be written as a sum of positive squares in 10 ways, for example, as 1015120731024 + 2104890278976 = 1007532^2 + 1450824^2 .

It is a tau number, because it is divible by the number of its divisors (300).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 201322252 + ... + 201337748.

Almost surely, 23120011010000 is an apocalyptic number.

3120011010000 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 3120011010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5458355568666).

3120011010000 is an abundant number, since it is smaller than the sum of its proper divisors (7796700127332).

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

3120011010000 is a wasteful number, since it uses less digits than its factorization.

3120011010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17768 (or 17744 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 3120011010000 its reverse (101100213), we get a palindrome (3120112110213).

The spelling of 3120011010000 in words is "three trillion, one hundred twenty billion, eleven million, ten thousand".