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319990201608 = 2337113171151521
BaseRepresentation
bin1001010100000001110…
…01101111110100001000
31010120221200000111010110
410222000321233310020
520220314442422413
6403000152314320
732055440556450
oct4520071576410
91116850014113
10319990201608
11113786143680
12520240a29a0
132423748567c
14116b7dd6d60
1584cc6418c3
hex4a80e6fd08

319990201608 has 512 divisors, whose sum is σ = 1052977397760. Its totient is φ = 78624000000.

The previous prime is 319990201589. The next prime is 319990201613. The reversal of 319990201608 is 806102099913.

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 127 ways as a sum of consecutive naturals, for example, 614184388 + ... + 614184908.

It is an arithmetic number, because the mean of its divisors is an integer number (2056596480).

Almost surely, 2319990201608 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 319990201608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526488698880).

319990201608 is an abundant number, since it is smaller than the sum of its proper divisors (732987196152).

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

319990201608 is a wasteful number, since it uses less digits than its factorization.

319990201608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 48.

The spelling of 319990201608 in words is "three hundred nineteen billion, nine hundred ninety million, two hundred one thousand, six hundred eight".