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212100441430000 = 245421210044143
BaseRepresentation
bin110000001110011101111011…
…011101111101011111110000
31000210222121022102222110201211
4300032131323131331133300
5210300023201001230000
62031033333032005504
762450515443362464
oct6016357335753760
91023877272873654
10212100441430000
1161644323816132
121b9565a0830894
139146ca7a77186
143a53a051304a4
15197c344d437ba
hexc0e77b77d7f0

212100441430000 has 50 divisors (see below), whose sum is σ = 513516378770384. Its totient is φ = 84840176568000.

The previous prime is 212100441429991. The next prime is 212100441430049. The reversal of 212100441430000 is 34144001212.

It is a happy number.

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

It is a congruent number.

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, 10605012072 + ... + 10605032071.

Almost surely, 2212100441430000 is an apocalyptic number.

212100441430000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212100441430000 is an abundant number, since it is smaller than the sum of its proper divisors (301415937340384).

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

212100441430000 is an equidigital number, since it uses as much as digits as its factorization.

212100441430000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21210044171 (or 21210044150 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 212100441430000 its reverse (34144001212), we get a palindrome (212134585431212).

The spelling of 212100441430000 in words is "two hundred twelve trillion, one hundred billion, four hundred forty-one million, four hundred thirty 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 21210044143 42420088286 84840176572 106050220715 169680353144 212100441430 339360706288 424200882860 530251103575 848401765720 1060502207150 1696803531440 2121004414300 2651255517875 4242008828600 5302511035750 8484017657200 10605022071500 13256277589375 21210044143000 26512555178750 42420088286000 53025110357500 106050220715000 212100441430000