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2931093216 = 25361719389
BaseRepresentation
bin1010111010110100…
…1110111011100000
321120021100222000000
42232231032323200
522000324440331
61202503300000
7132430611162
oct25655167340
97507328000
102931093216
111274586797
1269974a600
133793394ac
141db3ca932
151224d20e6
hexaeb4eee0

2931093216 has 336 divisors, whose sum is σ = 9667803600. Its totient is φ = 868921344.

The previous prime is 2931093211. The next prime is 2931093223. The reversal of 2931093216 is 6123901392.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2931093211) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 7534750 + ... + 7535138.

It is an arithmetic number, because the mean of its divisors is an integer number (28773225).

Almost surely, 22931093216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2931093216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4833901800).

2931093216 is an abundant number, since it is smaller than the sum of its proper divisors (6736710384).

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

2931093216 is a wasteful number, since it uses less digits than its factorization.

2931093216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 2931093216 is about 54139.5716274150. The cubic root of 2931093216 is about 1431.1216225097.

The spelling of 2931093216 in words is "two billion, nine hundred thirty-one million, ninety-three thousand, two hundred sixteen".