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1241304304240 = 2457111328155163
BaseRepresentation
bin10010000100000011100…
…000001000101001110000
311101200000122001011112101
4102010003200020221300
5130314142400213430
62350125231110144
7155452451332060
oct22040340105160
94350018034471
101241304304240
11439485a12220
121806a6372354
1390092951410
14441180173a0
1522450e62dca
hex12103808a70

1241304304240 has 320 divisors, whose sum is σ = 3888813100032. Its totient is φ = 355861094400.

The previous prime is 1241304304231. The next prime is 1241304304243. The reversal of 1241304304240 is 424034031421.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1241304304199 and 1241304304208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241304304243) 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, 22474899 + ... + 22530061.

Almost surely, 21241304304240 is an apocalyptic number.

1241304304240 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 1241304304240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1944406550016).

1241304304240 is an abundant number, since it is smaller than the sum of its proper divisors (2647508795792).

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

1241304304240 is a wasteful number, since it uses less digits than its factorization.

1241304304240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55488 (or 55482 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1241304304240 its reverse (424034031421), we get a palindrome (1665338335661).

The spelling of 1241304304240 in words is "one trillion, two hundred forty-one billion, three hundred four million, three hundred four thousand, two hundred forty".