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213010302132 = 223223257258819
BaseRepresentation
bin1100011001100001100…
…1110100010010110100
3202100211001110111211100
43012120121310102310
511442221114132012
6241504450010100
721250410460005
oct3063031642264
9670731414740
10213010302132
1182378842811
1235348876930
131711888a0c4
14a449d6d1ac
15581a75d8dc
hex31986744b4

213010302132 has 36 divisors (see below), whose sum is σ = 561853262880. Its totient is φ = 67916327952.

The previous prime is 213010302083. The next prime is 213010302137. The reversal of 213010302132 is 231203010312.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213010302137) 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 11 ways as a sum of consecutive naturals, for example, 128628582 + ... + 128630237.

It is an arithmetic number, because the mean of its divisors is an integer number (15607035080).

Almost surely, 2213010302132 is an apocalyptic number.

It is an amenable number.

213010302132 is an abundant number, since it is smaller than the sum of its proper divisors (348842960748).

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

213010302132 is a wasteful number, since it uses less digits than its factorization.

213010302132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257258852 (or 257258847 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 213010302132 its reverse (231203010312), we get a palindrome (444213312444).

The spelling of 213010302132 in words is "two hundred thirteen billion, ten million, three hundred two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 414 828 257258819 514517638 771776457 1029035276 1543552914 2315329371 3087105828 4630658742 5916952837 9261317484 11833905674 17750858511 23667811348 35501717022 53252575533 71003434044 106505151066 213010302132