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1025216063 = 1255381671
BaseRepresentation
bin111101000110111…
…000111000111111
32122110010101001022
4331012320320333
54044423403223
6245421534355
734256123054
oct7506707077
92573111038
101025216063
11486787003
122474143bb
13134528831
149a23302b
1560012ac8
hex3d1b8e3f

1025216063 has 4 divisors (see below), whose sum is σ = 1025310288. Its totient is φ = 1025121840.

The previous prime is 1025216021. The next prime is 1025216069. The reversal of 1025216063 is 3606125201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1025216063 - 26 = 1025215999 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 (1025216069) 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, 28283 + ... + 53388.

It is an arithmetic number, because the mean of its divisors is an integer number (256327572).

Almost surely, 21025216063 is an apocalyptic number.

1025216063 is a deficient number, since it is larger than the sum of its proper divisors (94225).

1025216063 is an equidigital number, since it uses as much as digits as its factorization.

1025216063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94224.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1025216063 is about 32018.9953465127. The cubic root of 1025216063 is about 1008.3356777458.

The spelling of 1025216063 in words is "one billion, twenty-five million, two hundred sixteen thousand, sixty-three".

Divisors: 1 12553 81671 1025216063