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9091405472 = 25284106421
BaseRepresentation
bin10000111011110001…
…11101011010100000
3212110121002020202012
420131320331122200
5122104344433342
64102044212052
7441202446212
oct103570753240
925417066665
109091405472
113945952546
12191883a028
13b1b6a4b86
1462360a5b2
15383234b82
hex21de3d6a0

9091405472 has 12 divisors (see below), whose sum is σ = 17898704586. Its totient is φ = 4545702720.

The previous prime is 9091405459. The next prime is 9091405501. The reversal of 9091405472 is 2745041909.

9091405472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8568094096 + 523311376 = 92564^2 + 22876^2 .

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 as a sum of consecutive naturals, namely, 142053179 + ... + 142053242.

Almost surely, 29091405472 is an apocalyptic number.

It is an amenable number.

9091405472 is a deficient number, since it is larger than the sum of its proper divisors (8807299114).

9091405472 is a wasteful number, since it uses less digits than its factorization.

9091405472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284106431 (or 284106423 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 9091405472 is about 95348.8619334284. The cubic root of 9091405472 is about 2087.1020076328.

The spelling of 9091405472 in words is "nine billion, ninety-one million, four hundred five thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 32 284106421 568212842 1136425684 2272851368 4545702736 9091405472