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20110102010000 = 24542011010201
BaseRepresentation
bin1001001001010001111110…
…11111001001100010010000
32122012111200120211010102222
410210220333133021202100
510113440442103310000
6110434241530200212
74143623034455402
oct444507737114220
978174616733388
1020110102010000
116453712351832
122309580583068
13b2b4b3979292
144d7496bd6b72
1524d19adcda85
hex124a3f7c9890

20110102010000 has 50 divisors (see below), whose sum is σ = 48688568000622. Its totient is φ = 8044040800000.

The previous prime is 20110102009973. The next prime is 20110102010081. The reversal of 20110102010000 is 1020101102.

It can be written as a sum of positive squares in 5 ways, for example, as 8428663142656 + 11681438867344 = 2903216^2 + 3417812^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 20110102010000.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1005495101 + ... + 1005515100.

Almost surely, 220110102010000 is an apocalyptic number.

20110102010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110102010000 is an abundant number, since it is smaller than the sum of its proper divisors (28578465990622).

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

20110102010000 is an equidigital number, since it uses as much as digits as its factorization.

20110102010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011010229 (or 2011010208 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20110102010000 its reverse (1020101102), we get a palindrome (20111122111102).

The spelling of 20110102010000 in words is "twenty trillion, one hundred ten billion, one hundred two million, ten thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 2011010201 4022020402 8044040804 10055051005 16088081608 20110102010 32176163216 40220204020 50275255025 80440408040 100550510050 160880816080 201101020100 251376275125 402202040200 502752550250 804404080400 1005505100500 1256881375625 2011010201000 2513762751250 4022020402000 5027525502500 10055051005000 20110102010000