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210214514240 = 2657329330713
BaseRepresentation
bin1100001111000111000…
…0101110111001000000
3202002121012200202211122
43003301300232321000
511421004403423430
6240323214331412
721121211613623
oct3036160567100
9662535622748
10210214514240
1181173681a05
12348a84b9b68
1316a915a6143
14a262923dba
1557050a6ee5
hex30f1c2ee40

210214514240 has 112 divisors (see below), whose sum is σ = 509178903408. Its totient is φ = 82648203264.

The previous prime is 210214514239. The next prime is 210214514249. The reversal of 210214514240 is 42415412012.

It can be written as a sum of positive squares in 8 ways, for example, as 43254016576 + 166960497664 = 207976^2 + 408608^2 .

It is not an unprimeable number, because it can be changed into a prime (210214514249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6829124 + ... + 6859836.

It is an arithmetic number, because the mean of its divisors is an integer number (4546240209).

Almost surely, 2210214514240 is an apocalyptic number.

210214514240 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 210214514240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254589451704).

210214514240 is an abundant number, since it is smaller than the sum of its proper divisors (298964389168).

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

210214514240 is a wasteful number, since it uses less digits than its factorization.

210214514240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31096 (or 31086 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 210214514240 its reverse (42415412012), we get a palindrome (252629926252).

The spelling of 210214514240 in words is "two hundred ten billion, two hundred fourteen million, five hundred fourteen thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 73 80 146 160 292 293 320 365 584 586 730 1168 1172 1460 1465 2336 2344 2920 2930 4672 4688 5840 5860 9376 11680 11720 18752 21389 23360 23440 30713 42778 46880 61426 85556 93760 106945 122852 153565 171112 213890 245704 307130 342224 427780 491408 614260 684448 855560 982816 1228520 1368896 1711120 1965632 2242049 2457040 3422240 4484098 4914080 6844480 8968196 8998909 9828160 11210245 17936392 17997818 22420490 35872784 35995636 44840980 44994545 71745568 71991272 89681960 89989090 143491136 143982544 179363920 179978180 287965088 358727840 359956360 575930176 656920357 717455680 719912720 1313840714 1439825440 2627681428 2879650880 3284601785 5255362856 6569203570 10510725712 13138407140 21021451424 26276814280 42042902848 52553628560 105107257120 210214514240