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1283241706368 = 2734253378569
BaseRepresentation
bin10010101011000111001…
…010101000001110000000
311112200021022122221010020
4102223013022220032000
5132011034334100433
62421302455133440
7161465632350426
oct22530712501600
94480238587106
101283241706368
11455246542146
1218884b074280
139401720176b
1446175a27116
15235a7a94cb3
hex12ac72a8380

1283241706368 has 64 divisors (see below), whose sum is σ = 3408734307600. Its totient is φ = 427731734528.

The previous prime is 1283241706361. The next prime is 1283241706379. The reversal of 1283241706368 is 8636071423821.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 1283241706368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283241706361) 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, 16293388 + ... + 16371956.

Almost surely, 21283241706368 is an apocalyptic number.

It is an amenable number.

1283241706368 is an abundant number, since it is smaller than the sum of its proper divisors (2125492601232).

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

1283241706368 is an equidigital number, since it uses as much as digits as its factorization.

1283241706368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121119 (or 121107 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 1283241706368 in words is "one trillion, two hundred eighty-three billion, two hundred forty-one million, seven hundred six thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 42533 78569 85066 127599 157138 170132 235707 255198 314276 340264 471414 510396 628552 680528 942828 1020792 1257104 1361056 1885656 2041584 2514208 2722112 3771312 4083168 5028416 5444224 7542624 8166336 10056832 15085248 16332672 30170496 3341775277 6683550554 10025325831 13367101108 20050651662 26734202216 40101303324 53468404432 80202606648 106936808864 160405213296 213873617728 320810426592 427747235456 641620853184 1283241706368