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8939480664 = 2333112015431
BaseRepresentation
bin10000101001101010…
…11010011001011000
3212002000012200002110
420110311122121120
5121302001340124
64035020032320
7434346221562
oct102465323130
925060180073
108939480664
113878116154
1218959926a0
13ac6080b3a
1460b380332
15374c25029
hex214d5a658

8939480664 has 32 divisors (see below), whose sum is σ = 23069629440. Its totient is φ = 2883703200.

The previous prime is 8939480663. The next prime is 8939480681. The reversal of 8939480664 is 4660849398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8939480663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6006972 + ... + 6008459.

It is an arithmetic number, because the mean of its divisors is an integer number (720925920).

Almost surely, 28939480664 is an apocalyptic number.

It is an amenable number.

8939480664 is an abundant number, since it is smaller than the sum of its proper divisors (14130148776).

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

8939480664 is a wasteful number, since it uses less digits than its factorization.

8939480664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12015471 (or 12015467 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 57.

The square root of 8939480664 is about 94548.8268779682. The cubic root of 8939480664 is about 2075.4109150110.

The spelling of 8939480664 in words is "eight billion, nine hundred thirty-nine million, four hundred eighty thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 372 744 12015431 24030862 36046293 48061724 72092586 96123448 144185172 288370344 372478361 744956722 1117435083 1489913444 2234870166 2979826888 4469740332 8939480664