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9290772985 = 513142934969
BaseRepresentation
bin10001010011100010…
…11111000111111001
3212222111020011120011
420221301133013321
5123011414213420
64133525301521
7446143160464
oct105161370771
925874204504
109290772985
113a3844328a
1219735648a1
13b50a9a310
14641ca62db
153959b695a
hex229c5f1f9

9290772985 has 8 divisors (see below), whose sum is σ = 12006537480. Its totient is φ = 6860878464.

The previous prime is 9290772971. The next prime is 9290773031. The reversal of 9290772985 is 5892770929.

It can be written as a sum of positive squares in 4 ways, for example, as 89359209 + 9201413776 = 9453^2 + 95924^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 9290772985 - 27 = 9290772857 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71467420 + ... + 71467549.

It is an arithmetic number, because the mean of its divisors is an integer number (1500817185).

Almost surely, 29290772985 is an apocalyptic number.

It is an amenable number.

9290772985 is a deficient number, since it is larger than the sum of its proper divisors (2715764495).

9290772985 is a wasteful number, since it uses less digits than its factorization.

9290772985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142934987.

The product of its (nonzero) digits is 5715360, while the sum is 58.

The square root of 9290772985 is about 96388.6558937306. The cubic root of 9290772985 is about 2102.2480072833.

The spelling of 9290772985 in words is "nine billion, two hundred ninety million, seven hundred seventy-two thousand, nine hundred eighty-five".

Divisors: 1 5 13 65 142934969 714674845 1858154597 9290772985