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53824476868 = 2279419406517
BaseRepresentation
bin110010001000001100…
…000101011011000100
312010221010020201121021
4302020030011123010
51340213031224433
640420541200524
73613551335041
oct621014053304
9163833221537
1053824476868
1120910572138
12a521860144
1350ca1c71a6
1428686341c8
1516004e822d
hexc883056c4

53824476868 has 24 divisors (see below), whose sum is σ = 95613033600. Its totient is φ = 26508095328.

The previous prime is 53824476829. The next prime is 53824476869. The reversal of 53824476868 is 86867442835.

It is a happy number.

It is a super-2 number, since 2×538244768682 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53824476869) 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 7 ways as a sum of consecutive naturals, for example, 70855 + ... + 335662.

It is an arithmetic number, because the mean of its divisors is an integer number (3983876400).

Almost surely, 253824476868 is an apocalyptic number.

It is an amenable number.

53824476868 is a deficient number, since it is larger than the sum of its proper divisors (41788556732).

53824476868 is a wasteful number, since it uses less digits than its factorization.

53824476868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407019 (or 407017 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 61.

The spelling of 53824476868 in words is "fifty-three billion, eight hundred twenty-four million, four hundred seventy-six thousand, eight hundred sixty-eight".

Divisors: 1 2 4 79 158 316 419 838 1676 33101 66202 132404 406517 813034 1626068 32114843 64229686 128459372 170330623 340661246 681322492 13456119217 26912238434 53824476868