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716806807938 = 2331321943127757
BaseRepresentation
bin10100110111001010000…
…00111110000110000010
32112112012111110200222000
422123211000332012002
543221010020323223
61305144013324430
7102534066223404
oct12334500760602
92475174420860
10716806807938
11256aa5835211
12b6b09196716
135279641aa00
142699d494b74
15139a481c543
hexa6e503e182

716806807938 has 384 divisors, whose sum is σ = 1874969395200. Its totient is φ = 202214009088.

The previous prime is 716806807921. The next prime is 716806807943. The reversal of 716806807938 is 839708608617.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 946904256 + ... + 946905012.

It is an arithmetic number, because the mean of its divisors is an integer number (4882732800).

Almost surely, 2716806807938 is an apocalyptic number.

716806807938 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 716806807938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (937484697600).

716806807938 is an abundant number, since it is smaller than the sum of its proper divisors (1158162587262).

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

716806807938 is a wasteful number, since it uses less digits than its factorization.

716806807938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983 (or 964 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 716806807938 in words is "seven hundred sixteen billion, eight hundred six million, eight hundred seven thousand, nine hundred thirty-eight".