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23728043808 = 2532723173743
BaseRepresentation
bin10110000110010011…
…010011011100100000
32021020122111111221100
4112012103103130200
5342043334400213
614522302154400
71500001021200
oct260623233440
967218444840
1023728043808
11a076953567
124722582a00
132311b6a011
141211486400
1593d1c1773
hex5864d3720

23728043808 has 432 divisors, whose sum is σ = 82245735936. Its totient is φ = 6462167040.

The previous prime is 23728043783. The next prime is 23728043821. The reversal of 23728043808 is 80834082732.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 31935085 + ... + 31935827.

It is an arithmetic number, because the mean of its divisors is an integer number (190383648).

Almost surely, 223728043808 is an apocalyptic number.

23728043808 is a gapful number since it is divisible by the number (28) 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 23728043808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41122867968).

23728043808 is an abundant number, since it is smaller than the sum of its proper divisors (58517692128).

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

23728043808 is a wasteful number, since it uses less digits than its factorization.

23728043808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 23728043808 in words is "twenty-three billion, seven hundred twenty-eight million, forty-three thousand, eight hundred eight".