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1210244004420 = 22351123631126349
BaseRepresentation
bin10001100111001000001…
…010011111101001000100
311021200211222121110020120
4101213020022133221010
5124312034431120140
62323551201101540
7153302655206103
oct21471012375104
94250758543216
101210244004420
1142729720a250
121766783278b0
138a1829c8899
144280cc4603a
15217341e61d0
hex119c829fa44

1210244004420 has 192 divisors, whose sum is σ = 3863617228800. Its totient is φ = 280189324800.

The previous prime is 1210244004391. The next prime is 1210244004421. The reversal of 1210244004420 is 244004420121.

It is not an unprimeable number, because it can be changed into a prime (1210244004421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9515406 + ... + 9641754.

It is an arithmetic number, because the mean of its divisors is an integer number (20123006400).

Almost surely, 21210244004420 is an apocalyptic number.

1210244004420 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 1210244004420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1931808614400).

1210244004420 is an abundant number, since it is smaller than the sum of its proper divisors (2653373224380).

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

1210244004420 is a wasteful number, since it uses less digits than its factorization.

1210244004420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127026 (or 127024 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 1210244004420 its reverse (244004420121), we get a palindrome (1454248424541).

The spelling of 1210244004420 in words is "one trillion, two hundred ten billion, two hundred forty-four million, four thousand, four hundred twenty".