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52808189311 = 355914837929
BaseRepresentation
bin110001001011100111…
…010000010101111111
312001022021220222011101
4301023213100111333
51331122344024221
640132034433531
73546431126413
oct611347202577
9161267828141
1052808189311
1120439934269
12a2994328a7
134c977a65c7
1427ad686d43
15159119ad91
hexc4b9d057f

52808189311 has 4 divisors (see below), whose sum is σ = 52823030800. Its totient is φ = 52793347824.

The previous prime is 52808189293. The next prime is 52808189333. The reversal of 52808189311 is 11398180825.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52808189311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52808289311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7415406 + ... + 7422523.

It is an arithmetic number, because the mean of its divisors is an integer number (13205757700).

Almost surely, 252808189311 is an apocalyptic number.

52808189311 is a deficient number, since it is larger than the sum of its proper divisors (14841489).

52808189311 is a wasteful number, since it uses less digits than its factorization.

52808189311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14841488.

The product of its (nonzero) digits is 138240, while the sum is 46.

The spelling of 52808189311 in words is "fifty-two billion, eight hundred eight million, one hundred eighty-nine thousand, three hundred eleven".

Divisors: 1 3559 14837929 52808189311