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20103210230000 = 24549720724959
BaseRepresentation
bin1001001001000101001001…
…01101000110000011110000
32122011211220021201102120212
410210202210231012003300
510113332333304330000
6110431142015323252
74143260201345342
oct444424455060360
978154807642525
1020103210230000
1164507a60a3487
122308178520528
13b2a955c04451
144d70017ab292
1524cde5d3ec35
hex1248a4b460f0

20103210230000 has 100 divisors (see below), whose sum is σ = 49173656642880. Its totient is φ = 7958383872000.

The previous prime is 20103210229979. The next prime is 20103210230009. The reversal of 20103210230000 is 3201230102.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103210230009) 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 19 ways as a sum of consecutive naturals, for example, 9392480 + ... + 11332479.

Almost surely, 220103210230000 is an apocalyptic number.

20103210230000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20103210230000 is an abundant number, since it is smaller than the sum of its proper divisors (29070446412880).

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

20103210230000 is an equidigital number, since it uses as much as digits as its factorization.

20103210230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20725084 (or 20725063 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20103210230000 its reverse (3201230102), we get a palindrome (20106411460102).

The spelling of 20103210230000 in words is "twenty trillion, one hundred three billion, two hundred ten million, two hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 97 100 125 194 200 250 388 400 485 500 625 776 970 1000 1250 1552 1940 2000 2425 2500 3880 4850 5000 7760 9700 10000 12125 19400 24250 38800 48500 60625 97000 121250 194000 242500 485000 970000 20724959 41449918 82899836 103624795 165799672 207249590 331599344 414499180 518123975 828998360 1036247950 1657996720 2010321023 2072495900 2590619875 4020642046 4144991800 5181239750 8041284092 8289983600 10051605115 10362479500 12953099375 16082568184 20103210230 20724959000 25906198750 32165136368 40206420460 41449918000 50258025575 51812397500 80412840920 100516051150 103624795000 160825681840 201032102300 207249590000 251290127875 402064204600 502580255750 804128409200 1005160511500 1256450639375 2010321023000 2512901278750 4020642046000 5025802557500 10051605115000 20103210230000