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628078863133 = 3798571722137
BaseRepresentation
bin10010010001111000110…
…10101110001100011101
32020001011220012002112001
421020330122232030131
540242301142110013
61200311353442301
763243244151521
oct11107432561435
92201156162461
10628078863133
11222404165007
12a1886410391
13472c5ccb017
14225834c1d81
151150eeb0ddd
hex923c6ae31d

628078863133 has 8 divisors (see below), whose sum is σ = 645119783352. Its totient is φ = 611041406976.

The previous prime is 628078863107. The next prime is 628078863151. The reversal of 628078863133 is 331368870826.

628078863133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 22829094649 + 605249768484 = 151093^2 + 777978^2 .

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-628078863133 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 (628078863103) 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, 496360 + ... + 1225777.

It is an arithmetic number, because the mean of its divisors is an integer number (80639972919).

Almost surely, 2628078863133 is an apocalyptic number.

It is an amenable number.

628078863133 is a deficient number, since it is larger than the sum of its proper divisors (17040920219).

628078863133 is a wasteful number, since it uses less digits than its factorization.

628078863133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732031.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 628078863133 in words is "six hundred twenty-eight billion, seventy-eight million, eight hundred sixty-three thousand, one hundred thirty-three".

Divisors: 1 37 9857 364709 1722137 63719069 16975104409 628078863133