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214444423120 = 24529137674693
BaseRepresentation
bin1100011110110111100…
…0100011011111010000
3202111112000000101222111
43013231320203133100
512003140233014440
6242303040115104
721331063343524
oct3075570433720
9674460011874
10214444423120
1182a44317074
1235689005a94
13172b6a244c5
14a544603d84
1558a15e34ea
hex31ede237d0

214444423120 has 80 divisors (see below), whose sum is σ = 519541367760. Its totient is φ = 82215268352.

The previous prime is 214444423111. The next prime is 214444423121. The reversal of 214444423120 is 21324444412.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6676197264 + 207768225856 = 81708^2 + 455816^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214444423121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19507 + ... + 655186.

It is an arithmetic number, because the mean of its divisors is an integer number (6494267097).

Almost surely, 2214444423120 is an apocalyptic number.

214444423120 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 214444423120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259770683880).

214444423120 is an abundant number, since it is smaller than the sum of its proper divisors (305096944640).

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

214444423120 is a wasteful number, since it uses less digits than its factorization.

214444423120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674872 (or 674866 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 214444423120 its reverse (21324444412), we get a palindrome (235768867532).

The spelling of 214444423120 in words is "two hundred fourteen billion, four hundred forty-four million, four hundred twenty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 29 40 58 80 116 137 145 232 274 290 464 548 580 685 1096 1160 1370 2192 2320 2740 3973 5480 7946 10960 15892 19865 31784 39730 63568 79460 158920 317840 674693 1349386 2698772 3373465 5397544 6746930 10795088 13493860 19566097 26987720 39132194 53975440 78264388 92432941 97830485 156528776 184865882 195660970 313057552 369731764 391321940 462164705 739463528 782643880 924329410 1478927056 1565287760 1848658820 2680555289 3697317640 5361110578 7394635280 10722221156 13402776445 21444442312 26805552890 42888884624 53611105780 107222211560 214444423120