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23920612672 = 2611331102653
BaseRepresentation
bin10110010001110001…
…111001010101000000
32021202001212000202111
4112101301321111000
5342442134101142
614553341425104
71504526565355
oct262161712500
967661760674
1023920612672
11a165620390
124776b6b194
132342a21aa8
14122cc9262c
1595005de17
hex591c79540

23920612672 has 56 divisors (see below), whose sum is σ = 51939639072. Its totient is φ = 10840051200.

The previous prime is 23920612669. The next prime is 23920612679. The reversal of 23920612672 is 27621602932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23920612679) 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, 181698 + ... + 284350.

Almost surely, 223920612672 is an apocalyptic number.

23920612672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23920612672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25969819536).

23920612672 is an abundant number, since it is smaller than the sum of its proper divisors (28019026400).

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

23920612672 is a wasteful number, since it uses less digits than its factorization.

23920612672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103007 (or 102997 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 23920612672 in words is "twenty-three billion, nine hundred twenty million, six hundred twelve thousand, six hundred seventy-two".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 176 331 352 662 704 1324 2648 3641 5296 7282 10592 14564 21184 29128 58256 102653 116512 205306 233024 410612 821224 1129183 1642448 2258366 3284896 4516732 6569792 9033464 18066928 33978143 36133856 67956286 72267712 135912572 271825144 373759573 543650288 747519146 1087300576 1495038292 2174601152 2990076584 5980153168 11960306336 23920612672