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2141455420244 = 22779968108237
BaseRepresentation
bin11111001010011000101…
…100001000101101010100
321120201110201011201221202
4133022120230020231110
5240041200041421434
64315434313332032
7310500155511050
oct37123054105524
97521421151852
102141455420244
11756205836778
122a7041107018
13126c2780a37a
147590b4d8c60
153aa8688ea7e
hex1f298b08b54

2141455420244 has 24 divisors (see below), whose sum is σ = 4337124906240. Its totient is φ = 906149308896.

The previous prime is 2141455420241. The next prime is 2141455420297. The reversal of 2141455420244 is 4420245541412.

It is a junction number, because it is equal to n+sod(n) for n = 2141455420198 and 2141455420207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141455420241) 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 7 ways as a sum of consecutive naturals, for example, 484051907 + ... + 484056330.

It is an arithmetic number, because the mean of its divisors is an integer number (180713537760).

Almost surely, 22141455420244 is an apocalyptic number.

It is an amenable number.

2141455420244 is an abundant number, since it is smaller than the sum of its proper divisors (2195669485996).

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

2141455420244 is a wasteful number, since it uses less digits than its factorization.

2141455420244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968108327 (or 968108325 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 38.

The spelling of 2141455420244 in words is "two trillion, one hundred forty-one billion, four hundred fifty-five million, four hundred twenty thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 79 158 316 553 1106 2212 968108237 1936216474 3872432948 6776757659 13553515318 27107030636 76480550723 152961101446 305922202892 535363855061 1070727710122 2141455420244