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54520863348733 = 172188653506397
BaseRepresentation
bin11000110010110001000001…
…01100010101011111111101
321011001010212201010121101021
430121120200230111133331
524121232212004124413
6311542312220344141
714325000551016325
oct1431304054253775
9234033781117337
1054520863348733
1116410194005921
1261466129a5051
1324563abb77232
14d66b7698c285
1564832d1a618d
hex319620b157fd

54520863348733 has 6 divisors (see below), whose sum is σ = 57916626464186. Its totient is φ = 51313753739712.

The previous prime is 54520863348719. The next prime is 54520863348773. The reversal of 54520863348733 is 33784336802545.

It can be written as a sum of positive squares in 3 ways, for example, as 13865472507769 + 40655390840964 = 3723637^2 + 6376158^2 .

It is a de Polignac number, because none of the positive numbers 2k-54520863348733 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 (54520863348773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 94326752910 + ... + 94326753487.

Almost surely, 254520863348733 is an apocalyptic number.

It is an amenable number.

54520863348733 is a deficient number, since it is larger than the sum of its proper divisors (3395763115453).

54520863348733 is a wasteful number, since it uses less digits than its factorization.

54520863348733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188653506431 (or 188653506414 counting only the distinct ones).

The product of its (nonzero) digits is 174182400, while the sum is 61.

The spelling of 54520863348733 in words is "fifty-four trillion, five hundred twenty billion, eight hundred sixty-three million, three hundred forty-eight thousand, seven hundred thirty-three".

Divisors: 1 17 289 188653506397 3207109608749 54520863348733