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53377828638 = 23191034545889
BaseRepresentation
bin110001101101100100…
…010000011100011110
312002202222210122102020
4301231210100130132
51333304211004023
640304344041010
73566516025441
oct615544203436
9162688718366
1053377828638
1120701435772
12a418163166
135058801cb4
1428251a9658
1515c61bcde3
hexc6d91071e

53377828638 has 32 divisors (see below), whose sum is σ = 113465414400. Its totient is φ = 16692500736.

The previous prime is 53377828597. The next prime is 53377828639. The reversal of 53377828638 is 83682877335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53377828639) 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 15 ways as a sum of consecutive naturals, for example, 2261203 + ... + 2284686.

It is an arithmetic number, because the mean of its divisors is an integer number (3545794200).

Almost surely, 253377828638 is an apocalyptic number.

53377828638 is an abundant number, since it is smaller than the sum of its proper divisors (60087585762).

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

53377828638 is a wasteful number, since it uses less digits than its factorization.

53377828638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4546016.

The product of its digits is 40642560, while the sum is 60.

The spelling of 53377828638 in words is "fifty-three billion, three hundred seventy-seven million, eight hundred twenty-eight thousand, six hundred thirty-eight".

Divisors: 1 2 3 6 19 38 57 103 114 206 309 618 1957 3914 5871 11742 4545889 9091778 13637667 27275334 86371891 172743782 259115673 468226567 518231346 936453134 1404679701 2809359402 8896304773 17792609546 26688914319 53377828638