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10949310918 = 2347132193197
BaseRepresentation
bin10100011001010000…
…10011100111000110
31001021002001121220000
422030220103213012
5134411010422133
65010253422130
7535222415160
oct121450234706
931232047800
1010949310918
114709667397
122156a9a946
13105658a700
1475c277930
154413ca413
hex28ca139c6

10949310918 has 480 divisors, whose sum is σ = 33331415040. Its totient is φ = 2620200960.

The previous prime is 10949310901. The next prime is 10949310929. The reversal of 10949310918 is 81901394901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 112879446 + ... + 112879542.

It is an arithmetic number, because the mean of its divisors is an integer number (69440448).

Almost surely, 210949310918 is an apocalyptic number.

10949310918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10949310918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16665707520).

10949310918 is an abundant number, since it is smaller than the sum of its proper divisors (22382104122).

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

10949310918 is a wasteful number, since it uses less digits than its factorization.

10949310918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The spelling of 10949310918 in words is "ten billion, nine hundred forty-nine million, three hundred ten thousand, nine hundred eighteen".