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52285064181 = 3715373161957
BaseRepresentation
bin110000101100011011…
…101100001111110101
311222221211120110101120
4300230123230033311
51324034434023211
640004110214153
73530446466310
oct605433541765
9158854513346
1052285064181
11201a0612649
12a1721b4359
134c132b57cc
14275ddd1977
1515602b5d06
hexc2c6ec3f5

52285064181 has 16 divisors (see below), whose sum is σ = 79678153344. Its totient is φ = 29875051584.

The previous prime is 52285064171. The next prime is 52285064207. The reversal of 52285064181 is 18146058225.

It is not a de Polignac number, because 52285064181 - 29 = 52285063669 is a prime.

It is a super-2 number, since 2×522850641812 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52285064171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241855 + ... + 403811.

It is an arithmetic number, because the mean of its divisors is an integer number (4979884584).

Almost surely, 252285064181 is an apocalyptic number.

It is an amenable number.

52285064181 is a deficient number, since it is larger than the sum of its proper divisors (27393089163).

52285064181 is a wasteful number, since it uses less digits than its factorization.

52285064181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177340.

The product of its (nonzero) digits is 153600, while the sum is 42.

The spelling of 52285064181 in words is "fifty-two billion, two hundred eighty-five million, sixty-four thousand, one hundred eighty-one".

Divisors: 1 3 7 21 15373 46119 107611 161957 322833 485871 1133699 3401097 2489764961 7469294883 17428354727 52285064181