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9113310018 = 232225012
BaseRepresentation
bin10000111110011001…
…00001001101000010
3212112010022010010200
420133030201031002
5122131001410033
64104145510030
7441556566651
oct103714411502
925463263120
109113310018
11395725377a
121924042316
13b230a4147
146264ad198
15385110013
hex21f321342

9113310018 has 18 divisors (see below), whose sum is σ = 19746382617. Its totient is φ = 3037635000.

The previous prime is 9113309923. The next prime is 9113310053. The reversal of 9113310018 is 8100133119.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4678149609 + 4435160409 = 68397^2 + 66597^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅BA, here for A=2, B=67503.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9113309973 and 9113310000.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 393768 + ... + 416268.

Almost surely, 29113310018 is an apocalyptic number.

9113310018 is an abundant number, since it is smaller than the sum of its proper divisors (10633072599).

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

9113310018 is an frugal number, since it uses more digits than its factorization.

9113310018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45010 (or 22506 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 9113310018 is about 95463.6581008710. The cubic root of 9113310018 is about 2088.7768625184.

Multiplying 9113310018 by its product of nonzero digits (648), we get a square (5905424891664 = 24301082).

The spelling of 9113310018 in words is "nine billion, one hundred thirteen million, three hundred ten thousand, eighteen".

Divisors: 1 2 3 6 9 18 22501 45002 67503 135006 202509 405018 506295001 1012590002 1518885003 3037770006 4556655009 9113310018