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52468704781 = 228123002501
BaseRepresentation
bin110000110111011000…
…001110011000001101
312000102122010100221021
4300313120032120031
51324423442023111
640034230234141
73535136426533
oct606730163015
9160378110837
1052468704781
1120285241539
12a2037b5951
134c4236279c
14277a556153
15157148cd71
hexc3760e60d

52468704781 has 4 divisors (see below), whose sum is σ = 52491709564. Its totient is φ = 52445700000.

The previous prime is 52468704751. The next prime is 52468704793. The reversal of 52468704781 is 18740786425.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44145791881 + 8322912900 = 210109^2 + 91230^2 .

It is a cyclic number.

It is not a de Polignac number, because 52468704781 - 211 = 52468702733 is a prime.

It is a super-3 number, since 3×524687047813 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52468704751) 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 3 ways as a sum of consecutive naturals, for example, 11498970 + ... + 11503531.

It is an arithmetic number, because the mean of its divisors is an integer number (13122927391).

Almost surely, 252468704781 is an apocalyptic number.

It is an amenable number.

52468704781 is a deficient number, since it is larger than the sum of its proper divisors (23004783).

52468704781 is a wasteful number, since it uses less digits than its factorization.

52468704781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23004782.

The product of its (nonzero) digits is 3010560, while the sum is 52.

The spelling of 52468704781 in words is "fifty-two billion, four hundred sixty-eight million, seven hundred four thousand, seven hundred eighty-one".

Divisors: 1 2281 23002501 52468704781