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13212132210 = 2335397123259
BaseRepresentation
bin11000100111000000…
…10010001101110010
31021002202221212011000
430103200102031302
5204024301212320
610023005502430
7645260161614
oct142340221562
937082855130
1013212132210
11566a9a4532
122688871a16
131327316214
148d49c8db4
15524da5c90
hex313812372

13212132210 has 64 divisors (see below), whose sum is σ = 35321385600. Its totient is φ = 3514332096.

The previous prime is 13212132209. The next prime is 13212132247. The reversal of 13212132210 is 1223121231.

13212132210 is a `hidden beast` number, since 1 + 321 + 2 + 132 + 210 = 666.

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

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, 45561 + ... + 168819.

It is an arithmetic number, because the mean of its divisors is an integer number (551896650).

Almost surely, 213212132210 is an apocalyptic number.

13212132210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13212132210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17660692800).

13212132210 is an abundant number, since it is smaller than the sum of its proper divisors (22109253390).

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

13212132210 is a wasteful number, since it uses less digits than its factorization.

13212132210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123672 (or 123666 counting only the distinct ones).

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

Adding to 13212132210 its reverse (1223121231), we get a palindrome (14435253441).

The spelling of 13212132210 in words is "thirteen billion, two hundred twelve million, one hundred thirty-two thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 397 794 1191 1985 2382 3573 3970 5955 7146 10719 11910 17865 21438 35730 53595 107190 123259 246518 369777 616295 739554 1109331 1232590 1848885 2218662 3327993 3697770 5546655 6655986 11093310 16639965 33279930 48933823 97867646 146801469 244669115 293602938 440404407 489338230 734007345 880808814 1321213221 1468014690 2202022035 2642426442 4404044070 6606066105 13212132210