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54571825212 = 2234547652101
BaseRepresentation
bin110010110100101110…
…111111100000111100
312012212012111221210120
4302310232333200330
51343230341401322
641023035334540
73641224601142
oct626456774074
9165765457716
1054571825212
1121164410aa3
12a6abbb1450
1351b8ca3a48
1428d99b5592
151645e1ea5c
hexcb4bbf83c

54571825212 has 12 divisors (see below), whose sum is σ = 127334258856. Its totient is φ = 18190608400.

The previous prime is 54571825211. The next prime is 54571825261. The reversal of 54571825212 is 21252817545.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54571825211) 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, 2273826039 + ... + 2273826062.

It is an arithmetic number, because the mean of its divisors is an integer number (10611188238).

Almost surely, 254571825212 is an apocalyptic number.

It is an amenable number.

54571825212 is an abundant number, since it is smaller than the sum of its proper divisors (72762433644).

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

54571825212 is a wasteful number, since it uses less digits than its factorization.

54571825212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4547652108 (or 4547652106 counting only the distinct ones).

The product of its digits is 224000, while the sum is 42.

The spelling of 54571825212 in words is "fifty-four billion, five hundred seventy-one million, eight hundred twenty-five thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 4547652101 9095304202 13642956303 18190608404 27285912606 54571825212