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9012872513 = 31378119689
BaseRepresentation
bin10000110010011010…
…11000010101000001
3212021010022100210002
420121031120111001
5121424243410023
64050201045345
7436230103151
oct103115302501
925233270702
109012872513
113905593577
1218b6486855
13b08339478
14617006761
1537b3c0b28
hex219358541

9012872513 has 16 divisors (see below), whose sum is σ = 9567828480. Its totient is φ = 8475062400.

The previous prime is 9012872489. The next prime is 9012872527. The reversal of 9012872513 is 3152782109.

It is a cyclic number.

It is not a de Polignac number, because 9012872513 - 214 = 9012856129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9012872563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 925373 + ... + 935061.

It is an arithmetic number, because the mean of its divisors is an integer number (597989280).

Almost surely, 29012872513 is an apocalyptic number.

It is an amenable number.

9012872513 is a deficient number, since it is larger than the sum of its proper divisors (554955967).

9012872513 is a wasteful number, since it uses less digits than its factorization.

9012872513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10568.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 9012872513 is about 94936.1496638662. The cubic root of 9012872513 is about 2081.0750508487.

The spelling of 9012872513 in words is "nine billion, twelve million, eight hundred seventy-two thousand, five hundred thirteen".

Divisors: 1 31 37 811 1147 9689 25141 30007 300359 358493 930217 7857779 11113283 243591149 290737823 9012872513