Search a number
-
+
10221300000 = 25325541277
BaseRepresentation
bin10011000010011110…
…01010100100100000
3222101100011211122200
421201033022210200
5131413123100000
64410125533200
7511202421312
oct114117124440
928340154580
1010221300000
114375725a7a
121b93114200
13c6b7c1812
146cd6cb7b2
153ec523500
hex2613ca920

10221300000 has 432 divisors, whose sum is σ = 37351687464. Its totient is φ = 2649600000.

The previous prime is 10221299989. The next prime is 10221300029. The reversal of 10221300000 is 312201.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 8934786576 + 1286513424 = 94524^2 + 35868^2 .

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 36899862 + ... + 36900138.

Almost surely, 210221300000 is an apocalyptic number.

10221300000 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 10221300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18675843732).

10221300000 is an abundant number, since it is smaller than the sum of its proper divisors (27130387464).

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

10221300000 is an equidigital number, since it uses as much as digits as its factorization.

10221300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 10221300000 its reverse (312201), we get a palindrome (10221612201).

The spelling of 10221300000 in words is "ten billion, two hundred twenty-one million, three hundred thousand".