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13255444530 = 233549094239
BaseRepresentation
bin11000101100001011…
…00000100000110010
31021012210110100111000
430112011200200302
5204121343211110
610031154102430
7646324263606
oct142605404062
937183410430
1013255444530
115692397739
12269b27aa16
13133329c603
148da661506
15528aae1c0
hex316160832

13255444530 has 32 divisors (see below), whose sum is σ = 35347852800. Its totient is φ = 3534785136.

The previous prime is 13255444507. The next prime is 13255444537. The reversal of 13255444530 is 3544455231.

13255444530 is a `hidden beast` number, since 1 + 32 + 5 + 54 + 44 + 530 = 666.

It is not an unprimeable number, because it can be changed into a prime (13255444537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24546850 + ... + 24547389.

It is an arithmetic number, because the mean of its divisors is an integer number (1104620400).

Almost surely, 213255444530 is an apocalyptic number.

13255444530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13255444530 is an abundant number, since it is smaller than the sum of its proper divisors (22092408270).

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

13255444530 is a wasteful number, since it uses less digits than its factorization.

13255444530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49094255 (or 49094249 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 13255444530 its reverse (3544455231), we get a palindrome (16799899761).

The spelling of 13255444530 in words is "thirteen billion, two hundred fifty-five million, four hundred forty-four thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 49094239 98188478 147282717 245471195 294565434 441848151 490942390 736413585 883696302 1325544453 1472827170 2209240755 2651088906 4418481510 6627722265 13255444530