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214343403440 = 2451927421863
BaseRepresentation
bin1100011110011111011…
…1001100011110110000
3202111020221221002000212
43013213313030132300
512002433402402230
6242245031003252
721325425603515
oct3074767143660
9674227832025
10214343403440
11829a2299531
123565b209528
131729bb1484a
14a53502930c
1558977db895
hex31e7dcc7b0

214343403440 has 60 divisors (see below), whose sum is σ = 525957814224. Its totient is φ = 81224857728.

The previous prime is 214343403437. The next prime is 214343403467. The reversal of 214343403440 is 44304343412.

It is a junction number, because it is equal to n+sod(n) for n = 214343403397 and 214343403406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3682052 + ... + 3739811.

Almost surely, 2214343403440 is an apocalyptic number.

214343403440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214343403440 is an abundant number, since it is smaller than the sum of its proper divisors (311614410784).

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

214343403440 is a wasteful number, since it uses less digits than its factorization.

214343403440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7421914 (or 7421889 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 214343403440 its reverse (44304343412), we get a palindrome (258647746852).

The spelling of 214343403440 in words is "two hundred fourteen billion, three hundred forty-three million, four hundred three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 361 380 722 760 1444 1520 1805 2888 3610 5776 7220 14440 28880 7421863 14843726 29687452 37109315 59374904 74218630 118749808 141015397 148437260 282030794 296874520 564061588 593749040 705076985 1128123176 1410153970 2256246352 2679292543 2820307940 5358585086 5640615880 10717170172 11281231760 13396462715 21434340344 26792925430 42868680688 53585850860 107171701720 214343403440