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999112053 = 3333037351
BaseRepresentation
bin111011100011010…
…011110101110101
32120122000011002010
4323203103311311
54021233041203
6243050234433
733521212062
oct7343236565
92518004063
10999112053
11472a77745
1223a725a19
1312bcb8c84
1496999c69
155caa8303
hex3b8d3d75

999112053 has 4 divisors (see below), whose sum is σ = 1332149408. Its totient is φ = 666074700.

The previous prime is 999112043. The next prime is 999112061. The reversal of 999112053 is 350211999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 350211999 = 3116737333.

It is not a de Polignac number, because 999112053 - 25 = 999112021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999112043) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 166518673 + ... + 166518678.

It is an arithmetic number, because the mean of its divisors is an integer number (333037352).

Almost surely, 2999112053 is an apocalyptic number.

It is an amenable number.

999112053 is a deficient number, since it is larger than the sum of its proper divisors (333037355).

999112053 is a wasteful number, since it uses less digits than its factorization.

999112053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333037354.

The product of its (nonzero) digits is 21870, while the sum is 39.

The square root of 999112053 is about 31608.7338088700. The cubic root of 999112053 is about 999.7039300179.

The spelling of 999112053 in words is "nine hundred ninety-nine million, one hundred twelve thousand, fifty-three".

Divisors: 1 3 333037351 999112053