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52504652660 = 22517857318013
BaseRepresentation
bin110000111001100001…
…010110101101110100
312000112010202201011012
4300321201112231310
51330012142341120
640041552531352
73536054120045
oct607141265564
9160463681135
1052504652660
11202a3564729
12a213850b58
134c4993ab15
1427812328cc
1515746de1c5
hexc39856b74

52504652660 has 48 divisors (see below), whose sum is σ = 116765739216. Its totient is φ = 19763054592.

The previous prime is 52504652657. The next prime is 52504652689. The reversal of 52504652660 is 6625640525.

52504652660 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 8 ways, for example, as 3081138064 + 49423514596 = 55508^2 + 222314^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2905814 + ... + 2923826.

It is an arithmetic number, because the mean of its divisors is an integer number (2432619567).

Almost surely, 252504652660 is an apocalyptic number.

It is an amenable number.

52504652660 is an abundant number, since it is smaller than the sum of its proper divisors (64261086556).

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

52504652660 is a wasteful number, since it uses less digits than its factorization.

52504652660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26612 (or 26610 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 52504652660 in words is "fifty-two billion, five hundred four million, six hundred fifty-two thousand, six hundred sixty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 8573 17146 18013 34292 36026 42865 72052 85730 90065 145741 171460 180130 291482 306221 360260 582964 612442 728705 1224884 1457410 1531105 2914820 3062210 6124420 154425449 308850898 617701796 772127245 1544254490 2625232633 3088508980 5250465266 10500930532 13126163165 26252326330 52504652660