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218300130 = 23352335153
BaseRepresentation
bin11010000001011…
…11111011100010
3120012202210111000
431000233323202
5421341101010
633354532430
75260343346
oct1500577342
9505683430
10218300130
11102252134
1261137116
13362c3a99
1420dc7626
15142717c0
hexd02fee2

218300130 has 64 divisors (see below), whose sum is σ = 607461120. Its totient is φ = 55680768.

The previous prime is 218300123. The next prime is 218300161. The reversal of 218300130 is 31003812.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

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, 11367 + ... + 23786.

It is an arithmetic number, because the mean of its divisors is an integer number (9491580).

Almost surely, 2218300130 is an apocalyptic number.

218300130 is an abundant number, since it is smaller than the sum of its proper divisors (389160990).

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

218300130 is a wasteful number, since it uses less digits than its factorization.

218300130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35192 (or 35186 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 218300130 is about 14774.9832487215. The cubic root of 218300130 is about 602.1222346830.

Adding to 218300130 its reverse (31003812), we get a palindrome (249303942).

The spelling of 218300130 in words is "two hundred eighteen million, three hundred thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 23 27 30 45 46 54 69 90 115 135 138 207 230 270 345 414 621 690 1035 1242 2070 3105 6210 35153 70306 105459 175765 210918 316377 351530 527295 632754 808519 949131 1054590 1581885 1617038 1898262 2425557 3163770 4042595 4745655 4851114 7276671 8085190 9491310 12127785 14553342 21830013 24255570 36383355 43660026 72766710 109150065 218300130