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1230722010 = 2325729314153
BaseRepresentation
bin100100101011011…
…0101001111011010
310011202211011012200
41021112311033122
510010031101020
6322042351030
742332651550
oct11126651732
93152734180
101230722010
1158178a731
122a41bb476
13167c8cc9b
14b9649bd0
15730a8590
hex495b53da

1230722010 has 384 divisors, whose sum is σ = 4075868160. Its totient is φ = 251596800.

The previous prime is 1230721997. The next prime is 1230722029. The reversal of 1230722010 is 102270321.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 23221144 + ... + 23221196.

It is an arithmetic number, because the mean of its divisors is an integer number (10614240).

Almost surely, 21230722010 is an apocalyptic number.

1230722010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230722010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2037934080).

1230722010 is an abundant number, since it is smaller than the sum of its proper divisors (2845146150).

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

1230722010 is a wasteful number, since it uses less digits than its factorization.

1230722010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1230722010 is about 35081.6477663179. The cubic root of 1230722010 is about 1071.6508740253.

Adding to 1230722010 its reverse (102270321), we get a palindrome (1332992331).

The spelling of 1230722010 in words is "one billion, two hundred thirty million, seven hundred twenty-two thousand, ten".