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1241616215420 = 22578868687253
BaseRepresentation
bin10010000100010110000…
…101111110110101111100
311101200211100221220020022
4102010112011332311330
5130320312222343140
62350220212311312
7155463256461110
oct22042605766574
94350740856208
101241616215420
11439625a91759
12180772912538
139011245c949
144414760b740
152246d5260b5
hex1211617ed7c

1241616215420 has 24 divisors (see below), whose sum is σ = 2979878917344. Its totient is φ = 425696988096.

The previous prime is 1241616215383. The next prime is 1241616215423. The reversal of 1241616215420 is 245126161421.

It is a super-2 number, since 2×12416162154202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241616215423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4434343487 + ... + 4434343766.

It is an arithmetic number, because the mean of its divisors is an integer number (124161621556).

Almost surely, 21241616215420 is an apocalyptic number.

1241616215420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241616215420 is an abundant number, since it is smaller than the sum of its proper divisors (1738262701924).

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

1241616215420 is a wasteful number, since it uses less digits than its factorization.

1241616215420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8868687269 (or 8868687267 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 1241616215420 in words is "one trillion, two hundred forty-one billion, six hundred sixteen million, two hundred fifteen thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 8868687253 17737374506 35474749012 44343436265 62080810771 88686872530 124161621542 177373745060 248323243084 310404053855 620808107710 1241616215420