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13551430540 = 225677571527
BaseRepresentation
bin11001001111011101…
…00110101110001100
31021222102101222221211
430213232212232030
5210223131234130
610120410104204
7656550154564
oct144756465614
937872358854
1013551430540
11582447a37a
12276241b064
13137c6c336b
14927aabda4
15544a78a2a
hex327ba6b8c

13551430540 has 12 divisors (see below), whose sum is σ = 28458004176. Its totient is φ = 5420572208.

The previous prime is 13551430531. The next prime is 13551430573. The reversal of 13551430540 is 4503415531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338785744 + ... + 338785783.

It is an arithmetic number, because the mean of its divisors is an integer number (2371500348).

Almost surely, 213551430540 is an apocalyptic number.

13551430540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13551430540 is an abundant number, since it is smaller than the sum of its proper divisors (14906573636).

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

13551430540 is a wasteful number, since it uses less digits than its factorization.

13551430540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677571536 (or 677571534 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 13551430540 in words is "thirteen billion, five hundred fifty-one million, four hundred thirty thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 677571527 1355143054 2710286108 3387857635 6775715270 13551430540