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214211014440 = 23355967451579
BaseRepresentation
bin1100011101111111111…
…0001010111100101000
3202110220201211000110120
43013133332022330220
512002201004430230
6242223541243240
721322230402663
oct3073776127450
9673821730416
10214211014440
1182934595735
1235622a03520
131727a570867
14a5216066da
15588ad8a310
hex31dff8af28

214211014440 has 128 divisors (see below), whose sum is σ = 663280704000. Its totient is φ = 55316498688.

The previous prime is 214211014429. The next prime is 214211014463. The reversal of 214211014440 is 44410112412.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 214211014440.

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, 248571 + ... + 700149.

It is an arithmetic number, because the mean of its divisors is an integer number (5181880500).

Almost surely, 2214211014440 is an apocalyptic number.

214211014440 is a gapful number since it is divisible by the number (20) 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 214211014440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331640352000).

214211014440 is an abundant number, since it is smaller than the sum of its proper divisors (449069689560).

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

214211014440 is a wasteful number, since it uses less digits than its factorization.

214211014440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451719 (or 451715 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 214211014440 its reverse (44410112412), we get a palindrome (258621126852).

The spelling of 214211014440 in words is "two hundred fourteen billion, two hundred eleven million, fourteen thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 59 60 67 118 120 134 177 201 236 268 295 335 354 402 472 536 590 670 708 804 885 1005 1180 1340 1416 1608 1770 2010 2360 2680 3540 3953 4020 7080 7906 8040 11859 15812 19765 23718 31624 39530 47436 59295 79060 94872 118590 158120 237180 451579 474360 903158 1354737 1806316 2257895 2709474 3612632 4515790 5418948 6773685 9031580 10837896 13547370 18063160 26643161 27094740 30255793 53286322 54189480 60511586 79929483 90767379 106572644 121023172 133215805 151278965 159858966 181534758 213145288 242046344 266431610 302557930 319717932 363069516 399647415 453836895 532863220 605115860 639435864 726139032 799294830 907673790 1065726440 1210231720 1598589660 1785091787 1815347580 3197179320 3570183574 3630695160 5355275361 7140367148 8925458935 10710550722 14280734296 17850917870 21421101444 26776376805 35701835740 42842202888 53552753610 71403671480 107105507220 214211014440