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6438468841404 = 22311633187144757
BaseRepresentation
bin101110110110001001010…
…1001011110111110111100
3211210111210222000112122220
41131230102221132332330
51320441441010411104
621405443004005340
71233110155112565
oct135542251367674
924714728015586
106438468841404
1120625a28a0766
1287b99a230850
133791b676bc92
141838a306916c
15b272cc167d9
hex5db12a5efbc

6438468841404 has 48 divisors (see below), whose sum is σ = 15040833322368. Its totient is φ = 2143623279168.

The previous prime is 6438468841307. The next prime is 6438468841417. The reversal of 6438468841404 is 4041488648346.

It is a super-2 number, since 2×64384688414042 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44405394 + ... + 44550150.

It is an arithmetic number, because the mean of its divisors is an integer number (313350694216).

Almost surely, 26438468841404 is an apocalyptic number.

It is an amenable number.

6438468841404 is an abundant number, since it is smaller than the sum of its proper divisors (8602364480964).

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

6438468841404 is a wasteful number, since it uses less digits than its factorization.

6438468841404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149114 (or 149112 counting only the distinct ones).

The product of its (nonzero) digits is 56623104, while the sum is 60.

The spelling of 6438468841404 in words is "six trillion, four hundred thirty-eight billion, four hundred sixty-eight million, eight hundred forty-one thousand, four hundred four".

Divisors: 1 2 3 4 6 12 1163 2326 3187 3489 4652 6374 6978 9561 12748 13956 19122 38244 144757 289514 434271 579028 868542 1737084 3706481 7412962 11119443 14825924 22238886 44477772 168352391 336704782 461340559 505057173 673409564 922681118 1010114346 1384021677 1845362236 2020228692 2768043354 5536086708 536539070117 1073078140234 1609617210351 2146156280468 3219234420702 6438468841404