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52547226457 = 1117216529483
BaseRepresentation
bin110000111100000011…
…110000101101011001
312000122002212200102111
4300330003300231121
51330104042221312
640050113232321
73540112024645
oct607403605531
9160562780374
1052547226457
11203155a2a90
12a225b626a1
134c556c600b
142786b55c25
1515782ed8a7
hexc3c0f0b59

52547226457 has 12 divisors (see below), whose sum is σ = 60894619056. Its totient is φ = 44960191040.

The previous prime is 52547226449. The next prime is 52547226461. The reversal of 52547226457 is 75462274525.

It is not a de Polignac number, because 52547226457 - 23 = 52547226449 is a prime.

It is a super-2 number, since 2×525472264572 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52547226457.

It is not an unprimeable number, because it can be changed into a prime (52547229457) 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 11 ways as a sum of consecutive naturals, for example, 8261563 + ... + 8267920.

It is an arithmetic number, because the mean of its divisors is an integer number (5074551588).

Almost surely, 252547226457 is an apocalyptic number.

It is an amenable number.

52547226457 is a deficient number, since it is larger than the sum of its proper divisors (8347392599).

52547226457 is a wasteful number, since it uses less digits than its factorization.

52547226457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16529528 (or 16529511 counting only the distinct ones).

The product of its digits is 4704000, while the sum is 49.

The spelling of 52547226457 in words is "fifty-two billion, five hundred forty-seven million, two hundred twenty-six thousand, four hundred fifty-seven".

Divisors: 1 11 17 187 289 3179 16529483 181824313 281001211 3091013321 4777020587 52547226457