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213021330000 = 243547100711
BaseRepresentation
bin1100011001100100001…
…1111000101001010000
3202100211211012210012220
43012121003320221100
511442231430030000
6241505522221040
721250603300143
oct3063103705120
9670754183186
10213021330000
1182383a95156
12353504b4780
131711ac4b77b
14a44b60005a
15581b6db1a0
hex31990f8a50

213021330000 has 100 divisors (see below), whose sum is σ = 687661352928. Its totient is φ = 56805680000.

The previous prime is 213021329999. The next prime is 213021330001. The reversal of 213021330000 is 33120312.

It is an interprime number because it is at equal distance from previous prime (213021329999) and next prime (213021330001).

It is a tau number, because it is divible by the number of its divisors (100).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213021330001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3520356 + ... + 3580355.

Almost surely, 2213021330000 is an apocalyptic number.

213021330000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213021330000 is an abundant number, since it is smaller than the sum of its proper divisors (474640022928).

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

213021330000 is an equidigital number, since it uses as much as digits as its factorization.

213021330000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7100742 (or 7100721 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 213021330000 its reverse (33120312), we get a palindrome (213054450312).

The spelling of 213021330000 in words is "two hundred thirteen billion, twenty-one million, three hundred thirty thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 500 600 625 750 1000 1200 1250 1500 1875 2000 2500 3000 3750 5000 6000 7500 10000 15000 30000 7100711 14201422 21302133 28402844 35503555 42604266 56805688 71007110 85208532 106510665 113611376 142014220 170417064 177517775 213021330 284028440 340834128 355035550 426042660 532553325 568056880 710071100 852085320 887588875 1065106650 1420142200 1704170640 1775177750 2130213300 2662766625 2840284400 3550355500 4260426600 4437944375 5325533250 7100711000 8520853200 8875888750 10651066500 13313833125 14201422000 17751777500 21302133000 26627666250 35503555000 42604266000 53255332500 71007110000 106510665000 213021330000