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5781822930 = 2365133192
BaseRepresentation
bin1010110001001111…
…11001110111010010
3112220221112001000000
411120213321313102
543320121313210
62353420310430
7263164453422
oct53047716722
915827461000
105781822930
1124a7763164
1211543a2416
13711b19000
143cbc58482
1523c8dcac0
hex1589f9dd2

5781822930 has 336 divisors, whose sum is σ = 17839989720. Its totient is φ = 1348311744.

The previous prime is 5781822929. The next prime is 5781822931. The reversal of 5781822930 is 392281875.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5781822929) and next prime (5781822931).

It can be written as a sum of positive squares in 4 ways, for example, as 95004009 + 5686818921 = 9747^2 + 75411^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (5781822931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 304306461 + ... + 304306479.

Almost surely, 25781822930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5781822930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8919994860).

5781822930 is an abundant number, since it is smaller than the sum of its proper divisors (12058166790).

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

5781822930 is an equidigital number, since it uses as much as digits as its factorization.

5781822930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 5781822930 is about 76038.2990998615. The cubic root of 5781822930 is about 1794.8228739233.

The spelling of 5781822930 in words is "five billion, seven hundred eighty-one million, eight hundred twenty-two thousand, nine hundred thirty".