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214212044040 = 233553107314777
BaseRepresentation
bin1100011110000000001…
…0000110010100001000
3202110220210202022210220
43013200002012110020
512002201240402130
6242224015310040
721322242221511
oct3074002062410
9673823668726
10214212044040
1182935129245
123562321b320
131727a8413a7
14a5217d3a08
15588aee0410
hex31e0086508

214212044040 has 128 divisors (see below), whose sum is σ = 660882706560. Its totient is φ = 55521449984.

The previous prime is 214212044023. The next prime is 214212044077. The reversal of 214212044040 is 40440212412.

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 214212044040.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 523132 + ... + 837908.

It is an arithmetic number, because the mean of its divisors is an integer number (5163146145).

Almost surely, 2214212044040 is an apocalyptic number.

214212044040 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 214212044040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330441353280).

214212044040 is an abundant number, since it is smaller than the sum of its proper divisors (446670662520).

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

214212044040 is a wasteful number, since it uses less digits than its factorization.

214212044040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314951 (or 314947 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 214212044040 its reverse (40440212412), we get a palindrome (254652256452).

The spelling of 214212044040 in words is "two hundred fourteen billion, two hundred twelve million, forty-four thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 53 60 106 107 120 159 212 214 265 318 321 424 428 530 535 636 642 795 856 1060 1070 1272 1284 1590 1605 2120 2140 2568 3180 3210 4280 5671 6360 6420 11342 12840 17013 22684 28355 34026 45368 56710 68052 85065 113420 136104 170130 226840 314777 340260 629554 680520 944331 1259108 1573885 1888662 2518216 3147770 3777324 4721655 6295540 7554648 9443310 12591080 16683181 18886620 33366362 33681139 37773240 50049543 66732724 67362278 83415905 100099086 101043417 133465448 134724556 166831810 168405695 200198172 202086834 250247715 269449112 333663620 336811390 400396344 404173668 500495430 505217085 667327240 673622780 808347336 1000990860 1010434170 1347245560 1785100367 2001981720 2020868340 3570200734 4041736680 5355301101 7140401468 8925501835 10710602202 14280802936 17851003670 21421204404 26776505505 35702007340 42842408808 53553011010 71404014680 107106022020 214212044040