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20111010244 = 2213675772391
BaseRepresentation
bin10010101110101101…
…011010100111000100
31220220120102011200021
4102232231122213010
5312141404311434
613123332424524
71311240523633
oct225655324704
956816364607
1020111010244
118590160726
123a93178144
131b866a4a80
14d8ad4151a
157ca897cb4
hex4aeb5a9c4

20111010244 has 24 divisors (see below), whose sum is σ = 38467220288. Its totient is φ = 9143465760.

The previous prime is 20111010203. The next prime is 20111010289. The reversal of 20111010244 is 44201011102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2882712 + ... + 2889679.

Almost surely, 220111010244 is an apocalyptic number.

It is an amenable number.

20111010244 is a deficient number, since it is larger than the sum of its proper divisors (18356210044).

20111010244 is a wasteful number, since it uses less digits than its factorization.

20111010244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5772475 (or 5772473 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20111010244 its reverse (44201011102), we get a palindrome (64312021346).

The spelling of 20111010244 in words is "twenty billion, one hundred eleven million, ten thousand, two hundred forty-four".

Divisors: 1 2 4 13 26 52 67 134 268 871 1742 3484 5772391 11544782 23089564 75041083 150082166 300164332 386750197 773500394 1547000788 5027752561 10055505122 20111010244