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10404444211420 = 2257533643384907
BaseRepresentation
bin1001011101100111100100…
…1100111000100011011100
31100211122200121100221210011
42113121321030320203130
52330431300204231140
634043422524053004
72122460553412030
oct227317114704334
940748617327704
1010404444211420
113351555572216
12120054b394164
135a619a43925c
1427d8136381c0
1513099baa9cea
hex976793388dc

10404444211420 has 96 divisors (see below), whose sum is σ = 25448860620288. Its totient is φ = 3498961819392.

The previous prime is 10404444211397. The next prime is 10404444211451. The reversal of 10404444211420 is 2411244440401.

It is a super-2 number, since 2×104044442114202 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26838607 + ... + 27223513.

It is an arithmetic number, because the mean of its divisors is an integer number (265092298128).

Almost surely, 210404444211420 is an apocalyptic number.

10404444211420 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 10404444211420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12724430310144).

10404444211420 is an abundant number, since it is smaller than the sum of its proper divisors (15044416408868).

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

10404444211420 is a wasteful number, since it uses less digits than its factorization.

10404444211420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388619 (or 388617 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 31.

Adding to 10404444211420 its reverse (2411244440401), we get a palindrome (12815688651821).

The spelling of 10404444211420 in words is "ten trillion, four hundred four billion, four hundred forty-four million, two hundred eleven thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 53 70 106 140 212 265 371 530 742 1060 1484 1855 3643 3710 7286 7420 14572 18215 25501 36430 51002 72860 102004 127505 193079 255010 384907 386158 510020 769814 772316 965395 1351553 1539628 1924535 1930790 2694349 2703106 3849070 3861580 5388698 5406212 6757765 7698140 10777396 13471745 13515530 20400071 26943490 27031060 40800142 53886980 81600284 102000355 142800497 204000710 285600994 408001420 571201988 714002485 1402216201 1428004970 2804432402 2856009940 5608864804 7011081005 9815513407 14022162010 19631026814 28044324020 39262053628 49077567035 74317458653 98155134070 148634917306 196310268140 297269834612 371587293265 520222210571 743174586530 1040444421142 1486349173060 2080888842284 2601111052855 5202222105710 10404444211420