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545230665504 = 253471931163313
BaseRepresentation
bin1111110111100100100…
…01111011011100100000
31221010100001200120220000
413323302101323130200
532413113022244004
61054250413220000
754251216121660
oct7736221733440
91833301616800
10545230665504
111a025a550998
1289804791600
133c551a92085
141c5643781a0
15e2b1936c39
hex7ef247b720

545230665504 has 960 divisors, whose sum is σ = 2009876520960. Its totient is φ = 141490851840.

The previous prime is 545230665503. The next prime is 545230665533. The reversal of 545230665504 is 405566032545.

545230665504 is a `hidden beast` number, since 5 + 4 + 5 + 2 + 30 + 66 + 550 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 545230665504.

It is not an unprimeable number, because it can be changed into a prime (545230665503) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1741950852 + ... + 1741951164.

It is an arithmetic number, because the mean of its divisors is an integer number (2093621376).

Almost surely, 2545230665504 is an apocalyptic number.

545230665504 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545230665504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1004938260480).

545230665504 is an abundant number, since it is smaller than the sum of its proper divisors (1464645855456).

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

545230665504 is a wasteful number, since it uses less digits than its factorization.

545230665504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 45.

The spelling of 545230665504 in words is "five hundred forty-five billion, two hundred thirty million, six hundred sixty-five thousand, five hundred four".