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54561042771 = 373091248827
BaseRepresentation
bin110010110100000101…
…110111000101010011
312012211110020011001220
4302310011313011103
51343220111332041
641022012300123
73641034132354
oct626405670523
9165743204056
1054561042771
1121159316a94
12a6a8471643
1351b6999cc1
1428d83a9d2b
151644eded66
hexcb4177153

54561042771 has 8 divisors (see below), whose sum is σ = 72749344704. Its totient is φ = 36373384680.

The previous prime is 54561042721. The next prime is 54561042787. The reversal of 54561042771 is 17724016545.

54561042771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54561042771 - 29 = 54561042259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54561042721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94860 + ... + 343686.

It is an arithmetic number, because the mean of its divisors is an integer number (9093668088).

Almost surely, 254561042771 is an apocalyptic number.

54561042771 is a deficient number, since it is larger than the sum of its proper divisors (18188301933).

54561042771 is a wasteful number, since it uses less digits than its factorization.

54561042771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321921.

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 54561042771 in words is "fifty-four billion, five hundred sixty-one million, forty-two thousand, seven hundred seventy-one".

Divisors: 1 3 73091 219273 248827 746481 18187014257 54561042771