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663100027 = 7119514787
BaseRepresentation
bin100111100001100…
…001101001111011
31201012201222020021
4213201201221323
52324223200102
6145444311311
722301154142
oct4741415173
91635658207
10663100027
11310336957
121660a2537
13a74bc8a5
14640d0759
153d334137
hex27861a7b

663100027 has 8 divisors (see below), whose sum is σ = 672924672. Its totient is φ = 653289000.

The previous prime is 663100021. The next prime is 663100037. The reversal of 663100027 is 720001366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-663100027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 663099974 and 663100010.

It is not an unprimeable number, because it can be changed into a prime (663100021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136128 + ... + 140914.

It is an arithmetic number, because the mean of its divisors is an integer number (84115584).

Almost surely, 2663100027 is an apocalyptic number.

663100027 is a deficient number, since it is larger than the sum of its proper divisors (9824645).

663100027 is a wasteful number, since it uses less digits than its factorization.

663100027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6809.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 663100027 is about 25750.7286693018. The cubic root of 663100027 is about 872.0198048942.

The spelling of 663100027 in words is "six hundred sixty-three million, one hundred thousand, twenty-seven".

Divisors: 1 71 1951 4787 138521 339877 9339437 663100027