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52780327060 = 22513120145163
BaseRepresentation
bin110001001001111100…
…111110000010010100
312001020100111102100011
4301021330332002110
51331043230431220
640125201330004
73545642243356
oct611174760224
9161210442304
1052780327060
1120425133a0a
12a290036904
134c91a9c676
1427a9ab30d6
15158d9e565a
hexc49f3e094

52780327060 has 24 divisors (see below), whose sum is σ = 111684789216. Its totient is φ = 20950968480.

The previous prime is 52780327027. The next prime is 52780327073. The reversal of 52780327060 is 6072308725.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10069962 + ... + 10075201.

It is an arithmetic number, because the mean of its divisors is an integer number (4653532884).

Almost surely, 252780327060 is an apocalyptic number.

It is an amenable number.

52780327060 is an abundant number, since it is smaller than the sum of its proper divisors (58904462156).

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

52780327060 is a wasteful number, since it uses less digits than its factorization.

52780327060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20145303 (or 20145301 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 52780327060 in words is "fifty-two billion, seven hundred eighty million, three hundred twenty-seven thousand, sixty".

Divisors: 1 2 4 5 10 20 131 262 524 655 1310 2620 20145163 40290326 80580652 100725815 201451630 402903260 2639016353 5278032706 10556065412 13195081765 26390163530 52780327060