Search a number
-
+
10438318080 = 211325191593
BaseRepresentation
bin10011011100010110…
…00001100000000000
3222221110112111111100
421232023001200000
5132334202134310
64443441214400
7516446145141
oct115613014000
928843474440
1010438318080
114477181963
122033931400
13ca4756b98
1471045dac8
154115deec0
hex26e2c1800

10438318080 has 288 divisors, whose sum is σ = 36428071680. Its totient is φ = 2764308480.

The previous prime is 10438318073. The next prime is 10438318103. The reversal of 10438318080 is 8081383401.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17602264 + ... + 17602856.

It is an arithmetic number, because the mean of its divisors is an integer number (126486360).

Almost surely, 210438318080 is an apocalyptic number.

10438318080 is a gapful number since it is divisible by the number (10) 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 10438318080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18214035840).

10438318080 is an abundant number, since it is smaller than the sum of its proper divisors (25989753600).

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

10438318080 is a wasteful number, since it uses less digits than its factorization.

10438318080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817 (or 794 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 10438318080 in words is "ten billion, four hundred thirty-eight million, three hundred eighteen thousand, eighty".