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20111302244 = 2211457075051
BaseRepresentation
bin10010101110101110…
…100001111001100100
31220220120222000020002
4102232232201321210
5312141443132434
613123343000432
71311243151145
oct225656417144
956816860202
1020111302244
118590340050
123a93299118
131b86777957
14d8adb9acc
157ca90457e
hex4aeba1e64

20111302244 has 12 divisors (see below), whose sum is σ = 38394304368. Its totient is φ = 9141501000.

The previous prime is 20111302241. The next prime is 20111302259. The reversal of 20111302244 is 44220311102.

It is not an unprimeable number, because it can be changed into a prime (20111302241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228537482 + ... + 228537569.

It is an arithmetic number, because the mean of its divisors is an integer number (3199525364).

Almost surely, 220111302244 is an apocalyptic number.

It is an amenable number.

20111302244 is a deficient number, since it is larger than the sum of its proper divisors (18283002124).

20111302244 is a wasteful number, since it uses less digits than its factorization.

20111302244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457075066 (or 457075064 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20111302244 its reverse (44220311102), we get a palindrome (64331613346).

The spelling of 20111302244 in words is "twenty billion, one hundred eleven million, three hundred two thousand, two hundred forty-four".

Divisors: 1 2 4 11 22 44 457075051 914150102 1828300204 5027825561 10055651122 20111302244