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13221210210 = 23513157215927
BaseRepresentation
bin11000101000000101…
…11010100001100010
31021010102001001211020
430110002322201202
5204034112211320
610023532230310
7645430301235
oct142402724142
937112031736
1013221210210
115675034a0a
12268b90b396
131329174210
148d5cad41c
15525a9a940
hex3140ba862

13221210210 has 64 divisors (see below), whose sum is σ = 34389556992. Its totient is φ = 3233707776.

The previous prime is 13221210203. The next prime is 13221210217. The reversal of 13221210210 is 1201212231.

It is an interprime number because it is at equal distance from previous prime (13221210203) and next prime (13221210217).

It is a super-3 number, since 3×132212102103 (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13221210210.

It is not an unprimeable number, because it can be changed into a prime (13221210217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46734 + ... + 169193.

It is an arithmetic number, because the mean of its divisors is an integer number (537336828).

Almost surely, 213221210210 is an apocalyptic number.

13221210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13221210210 is an abundant number, since it is smaller than the sum of its proper divisors (21168346782).

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

13221210210 is a wasteful number, since it uses less digits than its factorization.

13221210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216107.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 13221210210 its reverse (1201212231), we get a palindrome (14422422441).

The spelling of 13221210210 in words is "thirteen billion, two hundred twenty-one million, two hundred ten thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 157 195 314 390 471 785 942 1570 2041 2355 4082 4710 6123 10205 12246 20410 30615 61230 215927 431854 647781 1079635 1295562 2159270 2807051 3238905 5614102 6477810 8421153 14035255 16842306 28070510 33900539 42105765 67801078 84211530 101701617 169502695 203403234 339005390 440707007 508508085 881414014 1017016170 1322121021 2203535035 2644242042 4407070070 6610605105 13221210210