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54253424365405 = 561339817180221
BaseRepresentation
bin11000101010111110111000…
…00101100100111101011101
321010002120120102111121102121
430111133130011210331131
524102342003114143110
6311215402403022541
714266452301121506
oct1425373405447535
9233076512447377
1054253424365405
1116317825741361
12610281606aa51
1324370cab847c5
14d57c46069bad
156413c93a0cda
hex3157dc164f5d

54253424365405 has 16 divisors (see below), whose sum is σ = 65121718811184. Its totient is φ = 43391001346560.

The previous prime is 54253424365397. The next prime is 54253424365447. The reversal of 54253424365405 is 50456342435245.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 15565447324249 + 38687977041156 = 3945307^2 + 6219966^2 .

It is not a de Polignac number, because 54253424365405 - 23 = 54253424365397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300948195 + ... + 301128415.

It is an arithmetic number, because the mean of its divisors is an integer number (4070107425699).

Almost surely, 254253424365405 is an apocalyptic number.

It is an amenable number.

54253424365405 is a deficient number, since it is larger than the sum of its proper divisors (10868294445779).

54253424365405 is a wasteful number, since it uses less digits than its factorization.

54253424365405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196176.

The product of its (nonzero) digits is 34560000, while the sum is 52.

The spelling of 54253424365405 in words is "fifty-four trillion, two hundred fifty-three billion, four hundred twenty-four million, three hundred sixty-five thousand, four hundred five".

Divisors: 1 5 6133 9817 30665 49085 180221 901105 60207661 301038305 1105295393 1769229557 5526476965 8846147785 10850684873081 54253424365405