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9380379966 = 231563396661
BaseRepresentation
bin10001011110001110…
…10011110100111110
3220012201211200020020
420233013103310332
5123202334124331
64150450033010
7451311625356
oct105707236476
926181750206
109380379966
113a83a86341
121999578766
13b665123b9
1464db4db66
1539d7b6c96
hex22f1d3d3e

9380379966 has 8 divisors (see below), whose sum is σ = 18760759944. Its totient is φ = 3126793320.

The previous prime is 9380379941. The next prime is 9380379979. The reversal of 9380379966 is 6699730839.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

9380379966 is an admirable number.

It is a super-2 number, since 2×93803799662 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781698325 + ... + 781698336.

It is an arithmetic number, because the mean of its divisors is an integer number (2345094993).

Almost surely, 29380379966 is an apocalyptic number.

9380379966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9380379966 is a wasteful number, since it uses less digits than its factorization.

9380379966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563396666.

The product of its (nonzero) digits is 13226976, while the sum is 60.

The square root of 9380379966 is about 96852.3616955209. The cubic root of 9380379966 is about 2108.9849318184.

The spelling of 9380379966 in words is "nine billion, three hundred eighty million, three hundred seventy-nine thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 1563396661 3126793322 4690189983 9380379966