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23404144412 = 2211829764109
BaseRepresentation
bin10101110010111111…
…101110011100011100
32020102002000201111102
4111302333232130130
5340412430110122
614430212012232
71455655642115
oct256277563434
966362021442
1023404144412
119a20036110
124652001078
13228ca21c7c
1411c045120c
1591ea41492
hex572fee71c

23404144412 has 24 divisors (see below), whose sum is σ = 44686721520. Its totient is φ = 10636799360.

The previous prime is 23404144411. The next prime is 23404144417. The reversal of 23404144412 is 21444140432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23404144411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333014 + ... + 397122.

It is an arithmetic number, because the mean of its divisors is an integer number (1861946730).

Almost surely, 223404144412 is an apocalyptic number.

23404144412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23404144412 is a deficient number, since it is larger than the sum of its proper divisors (21282577108).

23404144412 is a wasteful number, since it uses less digits than its factorization.

23404144412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72421 (or 72419 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 23404144412 its reverse (21444140432), we get a palindrome (44848284844).

The spelling of 23404144412 in words is "twenty-three billion, four hundred four million, one hundred forty-four thousand, four hundred twelve".

Divisors: 1 2 4 11 22 44 8297 16594 33188 64109 91267 128218 182534 256436 365068 705199 1410398 2820796 531912373 1063824746 2127649492 5851036103 11702072206 23404144412