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1248054012 = 223234668167
BaseRepresentation
bin100101001100011…
…1100101011111100
310012222102201020200
41022120330223330
510024000212022
6323502043500
742633166302
oct11230745374
93188381220
101248054012
115905484a7
122a9b79590
1316b74abca
14bba7c272
157487dbac
hex4a63cafc

1248054012 has 18 divisors (see below), whose sum is σ = 3154803288. Its totient is φ = 416017992.

The previous prime is 1248053977. The next prime is 1248054013. The reversal of 1248054012 is 2104508421.

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

It is a super-2 number, since 2×12480540122 = 3115277633738592288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248054013) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 17334048 + ... + 17334119.

Almost surely, 21248054012 is an apocalyptic number.

1248054012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1248054012 is an abundant number, since it is smaller than the sum of its proper divisors (1906749276).

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

1248054012 is a wasteful number, since it uses less digits than its factorization.

1248054012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34668177 (or 34668172 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 1248054012 is about 35327.8079138800. The cubic root of 1248054012 is about 1076.6580541421.

The spelling of 1248054012 in words is "one billion, two hundred forty-eight million, fifty-four thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 34668167 69336334 104004501 138672668 208009002 312013503 416018004 624027006 1248054012